TWI751350B - Adapter, optical front-end integrated device, and spectrometer - Google Patents

Abstract

An optical front-end integrated device includes an adapter, a slit element and at least one optical lens. The adapter includes a slit mounting portion, at least one lens mounting portion, and an optical instrument mounting portion. The lens mounting portion is integrally molded and extended from the slit attachment portion. The optical instrument mounting portion is located between the slit mounting portion and the lens mounting portion. The slit element is provided in the slit mounting portion. The optical lens is detachably disposed on the lens mounting portion. The centerline of slit element overlaps with the optical axis of the optical lens to achieve axial alignment.

Description

Adapter elements, optical front-end bonding devices, and spectrometers

The present invention relates to an optical equipment configuration, in particular to an adapter element, an optical front-end combining device and a spectrometer.

A slit sheet is usually used as a light incident element in an optical device, so the setting of the slit sheet further affects the effect of the optical device. However, most of the slit sheets are directly fixed to the housing of the optical device, which makes it difficult to replace the slit sheets.

In addition, general optical devices, such as spectrometers, usually only include light incident elements, collimating mirrors, plane gratings, focusing mirrors, light sensors and housings. In other words, none of the optical components preceding the light incident element are within the spectrometer's set specification. However, the arrangement between the optical components at the front end and the light incident element further affects the detection results of the spectrometer. In particular, usually the optical analyzer will be optically corrected by SMA905 before shipment, but the installation and alignment of SMA905 and the spectrometer is another extended problem.

One object of the present invention is to provide an optical front-end combining device for integrating optical components at the front-end of an optical device. In particular, the optical front-end coupling device is detachably mounted placed in the optical device.

One object of the present invention is to provide an optical front-end combining device for assembling the optical components at the front end of an optical device to an integrally formed adapter element, so as to ensure the relative positions and tolerances between the optical components. Furthermore, the present invention can attach the slit element and the optical lens to the adapter element, so that the center line of the slit element and the optical axis of the optical lens overlap to achieve precise axial alignment.

One object of the present invention is to provide an adapter element, which is manufactured by an integral molding process, so as to ensure the relative tolerance of each optical component at the front end of the optical device when assembling the adapter element. In particular, the center line of the slit element and the optical axis of the optical lens are overlapped to achieve precise axial alignment.

One object of the present invention is to provide a spectrometer, wherein the optical front-end coupling device is detachably disposed in the spectrometer, and the optical front-end coupling device is suitable for detachably assembling optical fiber connectors for optical correction.

In order to achieve at least one of the above objectives, the present invention provides an adapter element comprising a slit mounting portion, at least one lens mounting portion, an optical fiber connector mounting portion and an optical device mounting portion. The slit mounting part is used for setting a slit element. The lens mounting portion is integrally formed and extended from the slit mounting portion for detachably arranging an optical lens so that a center line of the slit element and an optical axis of the optical lens overlap. The optical fiber connector mounting portion is integrally formed and extends from the slit mounting portion, so as to detachably install an optical fiber connector, so that the centerline of the slit element overlaps the centerline of the optical fiber connector. The optical device mounting portion is connected to the slit mounting portion for mounting the adapter element on an optical device.

In the above adapter element, the slit mounting portion, the lens mounting portion, the optical fiber connector mounting portion and the optical device mounting portion are integrally formed.

In the above adapter element, the slit mounting portion formed on the adapter element further includes a a first position, a second position, a third position and a fourth position. The slit mounting portion, the lens mounting portion, the optical fiber connector mounting portion and the optical device mounting portion are respectively formed at a first position, a second position, a third position and a fourth position of the body. In other words, the slit mounting portion is integrally formed at the first position. The second position is connected to the first position, wherein the lens mounting portion is integrally formed at the second position. The third position is connected to the first position, wherein the optical fiber connector mounting portion is integrally formed at the third position. The fourth position is connected to the first position, wherein the optical device mounting portion is integrally formed at the fourth position.

In the above adapter element, the slit mounting portion includes a slit support portion and a positioning portion. The positioning portion is connected to the slit support portion, wherein the slit element is disposed on the slit support portion and abuts against the positioning portion.

In the above adapter element, the slit mounting portion further includes a buffer portion connected to the slit support portion, wherein when the slit element abuts against the positioning portion, there is a space between the buffer portion and the corner of the slit element. a gap.

In the above-mentioned adapter element, the slit mounting portion further includes a slit dispensing portion. The slit glue part is connected to the slit support part. The slit glue part is used for accommodating an adhesive element to fasten the slit element to the slit support part.

In the above adapter element, the positioning portion includes a first positioning surface. The first positioning surface is connected to the slit support portion, wherein when the slit element is disposed on the slit support portion, a first surface of the slit element abuts against the first positioning surface.

In the above-mentioned transfer element, the positioning portion includes a second positioning surface. The second positioning surface is connected to the slit support portion, wherein the second positioning surface and the first positioning surface are not coplanar. When the slit element is disposed on the bottom wall of the slit, one of the slit elements is a second The surface abuts the second positioning surface.

In the above adapter element, the buffer portion includes a missing corner. The notch is connected to the positioning portion for identifying the assembling direction of the slit element and preventing the slit from hitting the element from being broken.

The above-mentioned switching element further includes a light-blocking element mounting portion. The light-blocking element mounting portion is connected to the slit mounting portion for installing a light-blocking element, wherein the slit mounting portion includes a slit support portion and a positioning portion, the slit support portion is connected to the positioning portion, wherein The slit element is disposed on the slit support portion and abuts against the positioning portion, wherein the light-blocking element mounting portion includes a light-blocking support portion, and the light-blocking support portion is connected to the positioning portion, wherein the light-blocking element has an opening, the center line of the slit element passes through the opening of the light-blocking element, the light-blocking element is disposed on the light-blocking support part and abuts against the positioning part.

The above-mentioned switching element further includes a fifth position. The fifth position is connected to the first position, wherein the light blocking element mounting portion is integrally formed at the fifth position.

In the above adapter element, the light-blocking element mounting portion includes a light-blocking support portion and a light-blocking glue dispensing portion. The light blocking support part is used for supporting the light blocking element. The light-blocking dispensing portion is connected to the light-blocking support portion, wherein the light-blocking dispensing portion is used for accommodating an adhesive element for fixing the light-blocking element to the light-blocking opening groove.

The above-mentioned switching element further includes a light-blocking element mounting portion. The light-blocking element mounting portion is connected to the slit mounting portion for installing a light-blocking element. The slit mounting portion includes a slit opening slot. The slit opening slot is used to install the slit element. The slit opening slot includes a slit support portion and a positioning portion. The slit support portion is used to support the slit element. The positioning portion is connected to the slit supporting portion, wherein the slit element and the light blocking element abut against the positioning portion respectively, so that the slit element and the light blocking element can be confirmed relative to the adapter element via the positioning portion The first axial direction and the second axial direction, so as to achieve the precise positioning of the horizontal plane.

In the above adapter element, the lens mounting portion includes a plurality of lens locking holes and a plurality of locking element. A plurality of lens locking holes are arranged around the lens mounting portion. A plurality of locking elements pass through the lens locking holes and push toward the center of the optical lens, so as to adjust the optical axis position of the optical lens and fix the optical lens to the transfer element.

In the above adapter element, the lens mounting portion includes a plurality of outer grooves. The outer grooves are disposed relative to the lens locking holes, so that an adhesive element is disposed in the outer grooves so as to fix the locking elements in the lens locking holes.

The above-mentioned switching element further includes a lens barrel mounting portion and a lens barrel. The lens barrel mounting portion is connected to the lens mounting portion. The lens barrel includes a casing opening, an abutting portion and an assembling portion. The housing opening is formed in the lens barrel relative to the lens mounting portion for light transmission. The abutting portion is formed on the periphery of the opening of the casing. The assembling portion is connected to the abutting portion, wherein when the assembling portion of the lens barrel is disposed on the lens barrel mounting portion, the abutting portion tightly fits and presses the optical lens on the lens mounting portion.

The above-mentioned switching element further includes a bridge portion. The bridge portion is connected between the slit mounting portion and the lens mounting portion. The bridge portion has an optical channel inside, wherein the optical channel is used for optically coupling the optical lens and the slit element.

In the above adapter element, the bridge portion includes at least two openings, and when the optical fiber connector is connected to the optical fiber connector mounting portion from the optical channel, the appearance handle portion of the optical fiber connector is exposed through the openings.

The above-mentioned switching element further includes an annular light blocking portion. The annular light blocking portion is connected to the bridge portion, is located between the lens barrel and the openings, and overlaps with a part of the lens barrel to shield the openings.

In the above-mentioned switching element, the optical device mounting part includes a switching insertion part and a switching front end part. The adapter insertion portion forms a protruding portion for being installed in the housing of the optical device. Should The transfer locking portion is connected to the transfer insertion portion and is used for locking to the casing of the optical device.

In the above adapter element, the adapter insertion portion includes a fixture positioning surface. The fixture positioning surface is formed on the protruding portion, and is matched with a fixture for positioning the relative position of the transfer element and the optical device.

The above-mentioned switching element further includes a sample to be tested portion. The sample to be tested part is integrally formed and connected to the lens mounting part, and has a first cavity for placing an object to be tested, wherein the first cavity has a first light outlet, and the first light outlet is optically coupled to the optical lens.

The above-mentioned switching element further includes a light source configuration portion. The light source configuration part is integrally formed and connected to the sample-to-be-measured part, and has a second cavity for placing a light source, wherein the second cavity has a second light outlet, and the second light outlet is optically coupled to the first cavity. a first light entrance.

The above-mentioned transfer element further includes a transfer front end. The adapter front end is integrally formed and connected to the lens mounting portion for installing at least one front end optical element to optically couple the optical lens, the light source and/or the object to be tested.

In order to achieve at least one of the above objectives, the present invention further discloses an optical front-end combining device, which includes a transition element, a slit element and at least one optical lens. The transfer element includes a slit mounting portion, at least one lens mounting portion, an optical fiber connector mounting portion and an optical device mounting portion. The lens mounting portion is integrally formed and extends from the slit mounting portion. The optical fiber connector mounting portion is integrally formed and extends from the slit mounting portion, so as to be used for detachably arranging an optical fiber connector. The optical device mounting portion is integrally formed and extends from the slit mounting portion for mounting the adapter element on an optical device. The slit element is disposed on the slit mounting portion, and the optical lens is disposed on the lens mounting portion, wherein the center line of the slit element and the optical axis of the optical lens overlap.

The optical front-end combining device further includes a light blocking element. The transfer element further includes A light-blocking element mounting portion. The light-blocking element mounting portion is connected to the slit mounting portion, and the light-blocking element is disposed on the light-blocking element mounting portion so that a centerline of the slit element passes through an opening of the light-blocking element.

The optical front-end combining device further includes a lens barrel. The transfer element further includes a lens barrel mounting portion. The lens barrel mounting portion is connected to the lens mounting portion, and the lens barrel is detachably arranged on the lens barrel mounting portion to tightly fit and press the optical lens.

In the above-mentioned optical front-end combining device, the lens barrel includes a casing opening, an assembling portion and an abutting portion. The housing opening is formed in the lens barrel relative to the lens mounting portion for light transmission. The abutting portion is formed on the periphery of the opening of the casing. The assembling portion is connected to the abutting portion, wherein when the assembling portion of the lens barrel is disposed on the lens barrel mounting portion of the adapter element, the abutting portion tightly fits and presses the optical lens to the lens mounting portion.

In the above-mentioned optical front-end combining device, an optical fiber connector is detachably mounted on the optical fiber connector mounting portion during calibration.

The above-mentioned optical front-end combining device further includes a light source element. The adapter element further includes a light source configuration part and a sample-to-be-measured part connected to the slit installation part. The light source element is arranged in the light source configuration part, and a detection sample is arranged in the sample-to-be-measured part, so that the light source of the light source element enters the optical device through the slit element after passing through the detection sample.

In the above optical front-end combining device, the two lens mounting parts are located between the slit mounting part and the light source configuration part, and the sample to be tested part is located between the two lens mounting parts.

The above-mentioned optical front-end combining device further includes a light source element and a half-return element. The adapter element further includes a light source configuration part connected to the slit installation part, a half reverse penetration installation part and a sample to be tested part. The light source element is arranged on the light source configuration portion, a detection sample is arranged on the sample to be tested portion, and the semi-reflex element is arranged on the semi-reflex mounting portion and located between the three optical lenses. the first optical The lens is located between the light source element and the semi-reflection element, the second optical lens is located between the detection sample and the semi-reflection element, and the third optical lens is located between the semi-reflection element and the slit element .

In order to achieve at least one of the above objectives, the present invention also discloses a spectrometer, which includes a casing, an optical front-end combining device, and a spectrometer component group. The optical front-end combining device is arranged on the casing. The optical front-end combining device includes a transition element, a slit element and an optical lens. The slit element is arranged at a first position of the transfer element. The optical lens is arranged at a second position of the transfer element, so that the center line of the slit element and the optical axis of the optical lens overlap. The spectrometer component group is arranged inside the casing to perform spectral analysis on an optical signal entered by the optical front-end combining device.

In the above-mentioned spectrometer, the spectrometer component group includes a collimating mirror, a spectral separation element, a focusing mirror and a light sensor, wherein the collimating mirror, the spectral separation element, the focusing mirror and the light sensor The optical signals are respectively assembled in the casing, wherein the optical signal passes through the optical front-end combining device, passes through the collimating mirror in the free space of the casing to the spectral separation element, and the spectral separation element separates the optical signal into multi-spectral components component, and focus on the light sensor through the focusing mirror.

In the above spectrometer, the optical front-end combining device further includes a light blocking element. The light blocking element is arranged on the transfer element. The body of the adapter element further includes a fifth position. The fifth position is connected to the first position. The light blocking element is arranged at the fifth position, so that a center line of the slit element passes through an opening of the light blocking element.

In the above spectrometer, the optical front-end combining device further includes a lens barrel. The lens barrel is detachably arranged on the transfer element. The lens barrel includes a casing opening, an assembling portion and an abutting portion. The casing opening is formed in the lens barrel relative to the optical lens for light transmission. The abutting portion is formed on the periphery of the opening of the casing. The assembling part is connected to the abutting part, and when the lens barrel is disposed on the adapter element, The abutting portion tightly fits and presses the optical lens to the transfer element.

In order to make the above-mentioned features, advantages and contents of the present invention more obvious and easy to understand, preferred embodiments are exemplified below, and are described in detail as follows in conjunction with the accompanying drawings.

100: Optical Equipment

200: Test sample

10: Optical front-end combination device

11: Transfer element

111: Slit installation part

1111: Slit support

1112: Positioning Department

11121, 11121a, 11121b: Positioning surfaces

1113: Buffer

11131: missing corners

1114: Slit dispensing department

1115: Slit Open Slot

112, 112a, 112b, 112c: lens mounts

1121: Lens locking hole

1122: Outer Slot

113: Optical fiber connector installation part

1131: Internal thread

114: Light blocking element mounting part

1141: Light blocking support

1142: Light blocking dispensing department

1143: Light blocking opening slot

115: Ontology

1151: First position

1152: Second position

1153: Third position

1154: Fourth position

1155: Fifth position

116: Lens barrel mounting part

117: Light source configuration section

1171: Second cavity

11711: The second light outlet

118: Sample to be tested

1181: The first cavity

11811: The first light outlet

119: Semi-reverse penetration installation part

120: Optical Equipment Installation Department

101: transfer insert part

1011: Fixture positioning surface

102: Transfer locking part

1021: Lock hole

103: Transfer front end

104: Bridge section

1041: Optical Channel

1042: Opening

105: Element Light Block

106: Ring light block

12: Slit element

121: Slit hole

13, 13a, 13b, 13c: Optical lenses

14: Light blocking element

141: Opening

15: Optical fiber connector

16: Lens barrel

161: Assembly Department

162: Abutment

163: Shell opening

17: Light source components

18: Semi-reverse wear element

20: Shell

21: Insertion hole

22: Ring fitting part

30: Spectrometer component group

31: collimating mirror

32: Spectral separation element

33: Focusing mirror

34: Light sensor

FIG. 1 is a perspective perspective view of an optical front-end combining device according to a first alternative embodiment of the present invention.

FIG. 2 is a right side view of an optical front-end combining device according to a first alternative embodiment of the present invention.

FIG. 3 is a front view of an optical front-end bonding apparatus according to a first alternative embodiment of the present invention.

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3 . Explain the schematic cross-sectional view of the optical front-end combining device after calibration, that is, disassembling the optical fiber connector and assembling the optical lens.

FIG. 5 is a schematic cross-sectional view of the optical front-end combining device according to the first alternative embodiment of the present invention during calibration. Clarified removing optics and assembling fiber optic connectors.

FIG. 6 is a perspective perspective view of an adapter element of an optical front-end combining device according to a first alternative embodiment of the present invention.

FIG. 7 is a front view of the adapter element of the optical front-end combining device according to the first alternative embodiment of the present invention.

FIG. 8 is a top view of the adapter element of the optical front-end combining device according to the first alternative embodiment of the present invention.

FIG. 9 is a cross-sectional view taken along the line B-B of FIG. 8 .

FIG. 10 is a right side view of the adapter element of the optical front-end combining device according to the first alternative embodiment of the present invention.

FIG. 11 is a cross-sectional view taken along the line C-C of FIG. 10 .

FIGS. 12 to 13 are perspective views of the optical front-end combining device according to the first alternative embodiment of the present invention assembled in an optical device during optical calibration.

FIG. 14 is a perspective view of the optical front-end combining device according to the first alternative embodiment of the present invention assembled in an optical device after optical calibration.

FIG. 15 is a schematic diagram of the optical front-end combining device according to the first alternative embodiment of the present invention assembled in a spectrometer.

16 to 17 are schematic diagrams of light sources of the optical front-end combining device according to the first alternative embodiment of the present invention. Explain that the optical front-end combination device is suitable for parallel light or non-parallel light signal.

FIG. 18 is a perspective perspective view of a first modified embodiment of the adapter element of the optical front-end combining device according to the first alternative embodiment of the present invention.

FIG. 19 is a cross-sectional view of a first modified embodiment of the adapter element of the optical front-end combining device according to the first alternative embodiment of the present invention.

FIG. 20 is a cross-sectional view of a first modified embodiment of the optical front-end bonding apparatus according to the first alternative embodiment of the present invention.

FIG. 21 is a cross-sectional view of a second modified embodiment of the adapter element of the optical front-end combining device according to the first alternative embodiment of the present invention.

FIG. 22 is a cross-sectional view of a second modified embodiment of the optical front-end bonding apparatus according to the first alternative embodiment of the present invention.

FIG. 23 is a perspective perspective view of an optical front-end combining device according to a second alternative embodiment of the present invention.

FIG. 24 is a right side view of an optical front-end combining device according to a second alternative embodiment of the present invention.

FIG. 25 is a cross-sectional view taken along the line D-D of FIG. 24 .

FIG. 26 is a perspective perspective view of an adapter element of an optical front-end combining device according to a second alternative embodiment of the present invention.

FIG. 27 is a top view of the adapter element of the optical front-end combining device according to the second alternative embodiment of the present invention.

FIG. 28 is a front view of the adapter element of the optical front-end combining device according to the second alternative embodiment of the present invention.

FIG. 29 is a right side view of the transition element of the optical front-end combining device according to the second alternative embodiment of the present invention.

FIG. 30 is a cross-sectional view taken along the line E-E of FIG. 29 .

FIGS. 31 to 32 are perspective views of the optical front-end combining device according to the second alternative embodiment of the present invention assembled in an optical device during optical calibration. Clarified removing optics and assembling fiber optic connectors.

FIGS. 33 to 34 are perspective views of the optical front-end combining device of the second alternative embodiment of the present invention assembled in an optical device after optical correction. Clarified disassembly of fiber optic connectors and assembly of optical lenses.

No. 35 is a cross-sectional view of the first modified embodiment of the optical front-end bonding apparatus according to the second alternative embodiment of the present invention.

No. 36 is a cross-sectional view of a second modified embodiment of the optical front-end bonding apparatus according to the second alternative embodiment of the present invention.

FIG. 37 and FIG. 38 are schematic diagrams of the structure of the optical front-end combining device according to the third alternative embodiment of the present invention.

FIGS. 39 to 42 are schematic structural diagrams of an optical front-end combining device according to a fourth alternative embodiment of the present invention.

The following description serves to disclose the invention to enable those skilled in the art to practice the invention. Selected embodiments in the following description are by way of example only, and other obvious modifications will occur to those skilled in the art. The basic principles of the invention defined in the following description may be applied to other embodiments, variations, improvements, equivalents, and other technical solutions without departing from the spirit and scope of the invention.

It should be understood by those skilled in the art that in the disclosure of the present invention, the terms "portrait", "horizontal", "upper", "lower", "front", "rear", "left", "right", " The orientations or positional relationships indicated by vertical, horizontal, top, bottom, inside, and outside are based on the orientations or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the present invention and The description is simplified rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus the above terms should not be construed as limiting the invention.

It should be understood that the term "a" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in another embodiment, the number of the element may be one. The number may be plural, and the term "one" should not be understood as a limitation on the number.

Please refer to FIGS. 1 to 17. FIG. 1 is a perspective view of an optical front-end combining device 10 according to a first alternative embodiment of the present invention. Please refer to FIGS. 1 and 17 for the description of this embodiment below. As shown in the figure, the optical front-end combining device 10 of this embodiment includes an adapter element 11 , a slit element 12 , at least one optical lens 13 and a light blocking element 14 . The slit element 12 , the optical lens 13 and the light blocking element 14 are relatively arranged on the integrally formed adapter element 11 according to the optical settings, so as to ensure the accurate alignment between the elements. Further, the adapter element 11 of the present embodiment is manufactured by an integral molding process, so as to ensure the relative tolerance of each element when assembling the adapter element 11 . In particular, the integrally formed adapter element 11 enables the slit element 12 and the optical lens 13 to achieve precise relative positions when assembled to the adapter element 11, even if the centerline of the slit element 12 and the optical lens 13 The optical axes overlap. It is worth mentioning that the optical front-end combining device 10 of the present invention is used to integrate the optical components of the front-end of an optical device 100 and the optical front-end combining device 10 is suitable for detachable installation on an optical device 100. In other words, the optical front-end combining device 10 of the present invention The front-end combining device 10 is suitable for combining optical elements or optical components of the front-end of an optical device. The optical device 100 can be implemented as a spectrometer, a monophotometer, a illuminometer, or the like. It can be understood that the optical front-end combining device 10 of the present invention is suitable for integrating various optical elements or optical components of the front-end of equipment or instruments such as spectrometers, monophotometers or illuminometers. That is to say, as long as the input light is focused on the slit element 12 before entering the optical device 100, it is suitable for the optical front-end combining device 10 of the present invention. The optical front-end combining device 10 of this embodiment is further described, in which the optical signal passes through the optical lens 13 to the slit element 12, and then passes through the slit element 12 to the light blocking element 14, and finally enters the optical device 100, that is, the spectrometer , wherein the light blocking element 14 will block all light projected to the light blocking element. Further, the slit element 12 includes a slit hole 121 , the light blocking element 14 includes an opening hole 141 , and the optical signal travels from the slit hole 121 of the slit element 12 to the opening hole 141 of the light blocking element 14 , and then from the opening hole 141 enters the optical device 100 , wherein the light signal projected or refracted to the body of the light blocking element 14 will be blocked from entering the optical device 100 . In particular, as shown in FIGS. 16 and 17, parallel light or non-parallel light can enter the optical device 100 through the optical front-end combining device 10 of the present invention, that is, the type of light source is not limited by the present invention. In addition, in this embodiment, the focal length of the optical lens 13 can be implemented as 10mm, but this is not a limitation of the present invention.

As shown in FIG. 15, the optical device 100 is implemented as a spectrometer. The spectrometer includes a casing 20 , an optical front-end combining device 10 , and a spectrometer component group 30 . The optical front end coupling device 10 is detachably provided in the housing 20 . The spectrometer component group 30 is disposed inside the housing 20 , so as to perform spectral analysis on the optical signal entered by the optical front-end combining device 10 . It is worth mentioning that the spectrometer component group 30 includes a collimating mirror 31 , a spectral separation element 32 , a focusing mirror 33 and a light sensor 34 , which are respectively assembled in the housing 20 . In this way, when the optical signal passes through the optical front-end combination device 10, it enters the housing 20, and passes through the collimating mirror 31 to the spectral separation element 32 in the free space of the housing 20, and then the optical signal is separated into several spectral components through the spectral separation element 32. , and finally focus on the light sensor 34 through the focusing mirror 33 . Additionally, the spectral separation element 32 may be implemented as a flat or curved grating, which is not a limitation of the present invention. In particular, those skilled in the art should understand that the spectrometer component group 30 of the spectrometer has various changes in practical applications, but this does not affect the application of the optical front-end combination device 10 of the present invention. Therefore, the spectrometer component group 30 of the spectrometer has various changes. The implementation structure is not a limitation of the present invention.

Referring to FIGS. 6 to 11 , in this embodiment, the adapter element 11 of the optical front-end combining device 10 includes a slit mounting portion 111 , at least one lens mounting portion 112 and an optical fiber connector mounting portion 113 . The lens mount portion 112 is integrally formed and extended from the slit mount portion 111 . The optical fiber connector mounting portion 113 is integrally formed and extends to the slit mounting portion 111 . Further, the optical fiber connector mounting portion 113 is located between the slit mounting portion 111 and the lens mounting portion 112 . In particular, the adapter element 11 further includes a light blocking element mounting portion 114 . The light blocking element mounting portion 114 is connected to the slit mounting portion 111 . Further, slit installation The portion 111 is located between the optical fiber splice mounting portion 113 and the light blocking element mounting portion 114 . In addition, the adapter element 11 includes an optical device mounting portion 120 connected to the slit mounting portion 111 for mounting the adapter element 11 on the optical device 100 . It can be understood that the adapter element 11 is integrally formed to form each mounting portion, wherein the slit element 12 is provided on the slit mounting portion 111 , the optical lens 13 is provided on the lens mounting portion 112 , and the light blocking element 14 is provided on the light blocking element mounting portion. 114. In addition, the optical fiber connector mounting portion 113 is used to install an optical fiber connector 15 so that the centerline of the slit element 12 overlaps with the centerline of the optical fiber connector 15 , wherein the optical fiber connector 15 can be implemented as an SMA905. It is worth mentioning that the optical calibration of the spectrometer can be performed through the optical fiber connector 15 . In other words, the optical fiber connector 15 is installed on the optical fiber connector mounting portion 113 when the optical device or the spectrometer is calibrated. At this time, the optical lens 13 is not mounted on the lens mounting portion 112 or removed from the lens mounting portion 112. After the optical equipment or the spectrometer is calibrated, the optical fiber connector 15 is removed from the optical fiber connector mounting portion 113 , and then the optical lens 13 is mounted on the lens mounting portion 112 . That is to say, both the optical lens 13 and the optical fiber connector 15 are detachably arranged on the adapter element 11 , but they are not installed on the adapter element 11 at the same time. It can be understood that when the optical device 100 or the spectrometer is calibrated, the SMA905 is first installed on the optical fiber connector mounting portion 113, and after the calibration, the SMA905 is removed from the optical fiber connector mounting portion 113, and then the optical lens 13 is installed on the lens mounting portion. Section 112. That is to say, the SMA 905 is detachably mounted on the fiber connector mounting portion 113 . It is worth mentioning that the slit element 12 is located between the light blocking element 14 and the SMA905 during calibration, and the slit element 12 is located between the light blocking element 14 and the optical lens 13 after the calibration.

In this embodiment, the slit mounting portion 111 includes a slit support portion 1111 , a positioning portion 1112 and a buffer portion 1113 . Further, the outer shape of the slit mounting portion 111 is the same as or slightly larger than that of the slit element 12 for placing and fixing the slit element 12 . In other words, the slit support portion 1111 is used to support the slit element 12 . The positioning part 1112 is connected to the slit supporting part 1111 , wherein the slit element 12 abuts against the positioning Section 1112. That is, the slit element 12 is disposed on the slit supporting portion 1111 and abuts against the positioning portion 1112 , so as to ensure the relative position of the slit element 12 and the slit mounting portion 111 . The buffer portion 1113 is connected to the slit support portion 1111 , wherein there is a gap between the buffer portion 1113 and the corner of the slit element 12 , so that when the slit element 12 is assembled to the slit support portion 1111 , the slit element 12 Damage to the slit element 12 due to direct contact with the buffer portion 1113 is avoided. Further, the slit mounting portion 111 further includes at least one or more slit dispensing portions 1114 . The slit dispensing portion 1114 is connected to the slit supporting portion 1111 , so that when the slit element 12 is disposed on the slit supporting portion 1111 , an adhesive element is disposed on the slit dispensing portion 1114 to fix the slit element 12 on the slit support portion 1111 . In addition, the adhesive element may be implemented as a glue, AB glue, or other adhesive elements or substances, which is not a limitation of the present invention.

It can be understood that the slit mounting portion 111 also forms a slit opening groove 1115 . The slit element 12 is disposed in the slit opening groove 1115 . In addition, the slit support portion 1111 is a bottom wall of the slit opening groove 1115 . The slit element 12 is disposed on the slit support portion 1111 , that is, on the bottom wall of the slit opening groove 1115 . The positioning portion 1112 extends upward from the slit supporting portion 1111 and protrudes from a top of the slit opening slot 1115 , and the positioning portion 1112 is also connected to a side wall of the slit opening slot 1115 .

In particular, the buffer portion 1113 includes a missing corner 11131 . The missing corner 11131 is connected to the positioning portion 1112 for identifying the assembling direction of the slit element 12 and preventing the corner of the slit element 12 from directly contacting the slit mounting portion 111 during assembly, which may cause breakage. In addition, the positioning portion 1112 includes two positioning surfaces 11121 . The two positioning surfaces 11121 are respectively connected to the slit support portion 1111 , so that the slit element 12 abuts against and accurately performs two-axis positioning. For convenience of description, the two positioning surfaces 11121 in this embodiment are respectively defined as a positioning surface 11121a and a positioning surface 11121b. The positioning surface 11121a is connected to the slit support portion 1111, so that when the slit element 12 is disposed on the slit support portion 1111, the positioning surface 11121a abuts against a surface of the slit element 12, so as to achieve the rotation of the slit element 12 relative to the slit element 12. The first axial direction of the connecting element 11 is precisely positioned. Other In addition, the positioning surface 11121b is connected to the slit support portion 1111 and forms an included angle with the positioning surface 11121a, and the angle of the included angle is not zero, so as to achieve the second axial precise positioning of the slit element 12 relative to the adapter element 11 . More specifically, the positioning surface 11121a and the positioning surface 11121b are not coplanar, and when the slit element is disposed on the slit support portion 1111, a first surface of the slit element 1111 abuts the positioning surface 11121a, one of the slit elements The second surface abuts against the positioning surface 11121b.

In particular, as in the present embodiment, the two positioning surfaces 11121 can also be perpendicular to each other for positioning the slit element 12 relative to the X-axis and Y-axis directions of the adapter element 11, but this is not the invention limit. In addition, the missing corner 11131 of the buffer portion 1113 can be located at the corner of the two positioning surfaces 11121, so as to determine the direction of the slit element 12 during assembly, and at the same time, it can prevent the slit element 12 from directly touching the adapter element 11 during assembly. and rupture. In particular, the corners of the two positioning surfaces 11121 can be rounded, chamfered or inclined as the cutout 11131 , so that when the slit element 12 is assembled in the slit opening groove 1115 , the slit element 12 can be identified by the cutout 11131 The two positioning surfaces 11121 limit the two-axis movement direction of the slit element 12 , and then the adhesive element is arranged on the slit dispensing portion 1114 to fix the slit element 12 on the slit support portion 1111 . Additionally, the shape of the slit opening slot 1115 is the same or similar to the shape of the slit element 12 . In particular, the shapes of the slit opening groove 1115 and the slit element 12 can be implemented in various suitable shapes such as H-shape, concave shape, rectangular shape, etc., which is not a limitation of the present invention. In addition, the cut corners 11131 can be implemented in various suitable structures such as rounded corners, chamfered corners, or inclined surfaces, which are also not limited to the present invention.

In this embodiment, the lens mounting portion 112 includes a plurality of lens locking holes 1121 and outer grooves 1122 disposed opposite to the plurality of locking holes, wherein the plurality of lens locking holes 1121 are disposed around the lens mounting portion 112 . Further, a plurality of lens locking holes 1121 can be evenly distributed around the lens mounting portion 112 . In this way, the lens locking hole 1121 cooperates with a plurality of locking elements (not shown) to fix the optical lens 13 and adjust the optical axis position of the optical lens 13 , and the outer groove 1122 is used for dispensing and fixing. Further, The lens locking hole 1121 not only is used for locking the optical lens 13 , but also has an adjustment function. In addition, the locking element can implement a set screw. In other words, a plurality of locking elements pass through the lens locking holes 1121 and push toward the center of the optical lens 13 to adjust the optical axis position of the optical lens 13 and fix the optical lens 13 to the adapter element 11 .

In this embodiment, the optical fiber connector mounting portion 113 is implemented as an internal thread 1131 structure, so as to be suitable for assembling the optical fiber connector 15 . It can be understood that the optical fiber connector 15 is assembled to the inner thread 1131 of the optical fiber connector mounting portion 113 before the calibration, and the optical fiber connector 15 is disassembled from the inner thread 1131 of the optical fiber connector mounting portion 113 after the calibration. In other words, the SMA 905 is assembled to the female thread 1131 of the optical fiber connector mounting portion 113 before calibration, and the SMA 905 is detached from the female thread 1131 of the optical fiber connector mounting portion 113 after the calibration.

In this embodiment, the light-blocking element mounting portion 114 includes a light-blocking support portion 1141 and a light-blocking glue dispensing portion 1142 . The light blocking support portion 1141 is used to support the light blocking element 14 . The light-blocking dispensing portion 1142 is connected to the light-blocking support portion 1141 , wherein the light-blocking dispensing portion 1142 is used for accommodating an adhesive element to fix the light-blocking element 14 to the light-blocking element mounting portion 114 .

It can be understood that the light-blocking element mounting portion 114 also forms a light-blocking opening slot 1143 . The light blocking element 14 is disposed in the light blocking opening groove 1143 . Further, the positioning portions 1112 of the slit mounting portion 111 respectively extend upward from the slit supporting portion 1111 and protrude from the light blocking supporting portion 1141 to the top of the light blocking opening groove 1143 . In particular, the top of the slit opening groove 1115 may be directly implemented as the light blocking support part 1141 . In addition, the light-blocking dispensing portion 1142 is also connected to the sidewall of the light-blocking opening groove 1143 , so that when the light-blocking element 14 is disposed in the light-blocking opening groove 1143 , the assembly of the light-blocking element 14 can be recognized through the missing corner 11131 of the buffer portion 1113 at the same time. and the two-axis directions of the light-blocking element 14 are limited by the two positioning surfaces 11121 of the positioning portion 1112, and then glue or an adhesive element is arranged on the light-blocking dispensing portion 1142 to fix the light-blocking element 14 in the light blocking portion 1142. Optical opening slot 1143 . It can be understood that the slit element 12 is disposed on the slit support portion 1111 and abuts against the positioning portion 1112, and the light blocking element 14 is disposed on the light blocking support portion 1141 and abuts against the positioning portion 1112, so that the slit The center line of the slot member 12 passes through the opening 141 of the light blocking member 14 . In addition, the shape of the light blocking opening groove 1143 is the same as or similar to the shape of the light blocking member 14 . In particular, the shapes of the light-blocking opening groove 1143 and the light-blocking element 14 can be implemented in various suitable shapes such as H-shape, concave shape, rectangular shape, etc., which is not a limitation of the present invention.

It is worth mentioning that the adapter element 11 is integrally formed. The adapter element 11 further includes a first position 1151 , a second position 1152 , a third position 1153 , a fourth position 1154 and a fifth position 1155 . The slit mounting portion 111 is formed at a first position 1151, the lens mounting portion 112 is formed at a second position 1152, the optical fiber connector mounting portion 113 is formed at a third position 1153, and the optical device mounting portion 120 is formed at a fourth position 1154, The light blocking element mounting portion 114 is formed at a fifth position 1155 . The second position 1152 , the third position 1153 , the fourth position 1154 , and the fifth position 1155 are respectively connected to the first position 1151 . Further, in this embodiment, the first position 1151 is located between the third position 1153 and the fifth position 1155 . The third position 1153 is located between the first position 1151 and the second position 1152 . In addition, the first position 1151 and the second position 1152 are respectively integrally formed to extend from the third position 1153 in opposite directions, the fourth position 1154 and the third position 1153 are respectively integrally formed to extend from the first position 1151 in opposite directions, and the fifth position Location 1155 integrally extends from first location 1151 . It can be understood that the slit element 12 is arranged at the first position 1151, the optical lens 13 is detachably arranged at the second position 1152, the light blocking element 14 is arranged at the fifth position 1155, and the optical fiber connector 15 is detachably arranged at the first position 1155. Three Locations 1153.

Further, the optical device mounting portion 120 includes an adapter insertion portion 101 and at least one adapter locking portion 102 . The adapter locking portion 102 is connected to the adapter insertion portion 101 and extends to the outside of the adapter insertion portion 101 . In this way, when the adapter insertion portion 101 is assembled and inserted into the optical device 100 or the spectrometer, the adapter locking portion 102 is suitable for attaching and fixing to the housing 20 of the optical device 100 or the spectrometer. In particular, each adapter locking portion 102 has a locking hole 1021 respectively, so as to lock the adapter element 11 to the housing 20 of the optical device 100 through a connecting element (not shown). Further, in this embodiment, two transfer locking portions 102 are implemented. It can be understood that two connecting elements (not shown) pass through the two locking holes 1021 respectively to fix the adapter element 11 to the housing 20 . Therefore, the number of the transfer locking parts 102 is not a limitation of the present invention. In addition, the connecting elements can be implemented as common locking and matching elements such as screws, bolts, rivets, latches, etc., which is not also a limitation of the present invention.

In this embodiment, the adapter insertion portion 101 forms a protruding portion for being installed in the housing 20 of the optical device 100 . In particular, the adapter insertion portion 101 includes a fixture positioning surface 1011 , which is formed on the protruding portion and cooperates with a fixture for positioning the relative positions of the adapter element 11 and the optical device 100 . In this embodiment, the fixture positioning surface 1011 forms a plane around the protruding portion for positioning the adapter element 11 on the optical device 100 , but this is not a limitation of the present invention. In other words, the fixture positioning surface 1011 can also be implemented as a convex portion or a groove for determining the relative position. It is worth mentioning that the adapter insertion portion 101 can be a columnar body of various shapes, such as a column, a square column, or a polygonal column, which is not a limitation of the present invention.

In addition, in this embodiment, the adapter element 11 further includes an adapter front end 103 . The adapter front end portion 103 is integrally formed and connected to the lens mounting portion 112 for installing at least one front end optical element. Further, the adapter front end portion 103 extends from the adapter insertion portion 101 to be used for other front-end optical elements of the device, such as the light blocking element 14 , the optical lens 13 and the slit element 12 . The adapter element 11 further includes a bridge portion 104 . The bridge portion 104 is connected between the slit mounting portion 111 and the lens mounting portion 112 . The bridge portion 104 has an optical channel 1041 inside, wherein the optical channel 1041 is used for optically coupling the optical lens 13 and the slit element 12 . In addition, the bridge portion 104 includes at least two openings 1042, wherein the optical fiber connector 15 When the channel 1041 is connected to the optical fiber connector mounting portion 113 , the appearance handle portion of the optical fiber connector 15 is exposed from the openings 1042 . Further, two openings 1042 are formed near the optical fiber connector mounting portion 113 to facilitate the installation of the optical fiber connector 15 . In other words, the two openings 1042 are located on the opposite sides of the bridge portion 104 , and when the optical fiber connector 15 is disposed on the optical fiber connector mounting portion 113 , the optical fiber connector 15 will be exposed from the two openings 1042 .

In addition, the adapter element 11 further includes an element light blocking portion 105 . The element light blocking portion 105 is located between the adapter inserting portion 101 and the adapter locking portion 102 to prevent light leakage when the adapter element 11 is assembled to the housing 20 of the optical device 100 . It can be understood that the housing 20 of the optical device 100 has an insertion hole 21 and an annular fitting portion 22 . The size and shape of the annular fitting portion 22 of the housing 20 is the same as the size and shape of the light blocking portion 105 of the adapter element 11 , so that when the adapter insertion portion 101 of the adapter element 11 is assembled to the insertion hole 21 of the casing 20 , the element light blocking part 105 of the adapter element 11 will be matched with the annular matching part 22 of the housing 20 , which not only avoids light leakage, but also facilitates the assembly of the optical front end combining device 10 to the optical device 100 . Further, the element light blocking portion 105 and the annular matching portion 22 both form an annular stepped shape and cooperate with each other. That is to say, the element light blocking portion 105 and the annular matching portion 22 form an annular step in which a convex and a concave can cooperate with each other.

It is worth mentioning that the optical fiber connector 15 includes a set of matching parts, a clamping part and a combination part. The clamping part is located between the assembling part and the assembling part. The assembly portion is detachably connected to an optical fiber, the clamping portion is suitable for being clamped by a fixture, and the assembly portion is assembled and matched with the inner thread of the optical fiber connector mounting portion 113 . It can be understood that the assembly part has an external thread structure for being assembled to the internal thread 1131 of the optical fiber connector mounting part 113 . In other words, when the optical fiber connector 15 is implemented as SMA905, the SMA905 has a set of matching parts, a clamping part and a combination part, wherein the clamping part is located between the matching part and the combination part. Similarly, the assembling portion is detachably connected to an optical fiber, the clamping portion is suitable for being clamped by a fixture, and the assembling portion is assembled and matched with the inner thread of the optical fiber connector mounting portion 113 . It can be understood that the combination part has an external thread structure to use It is assembled to the inner thread 1131 of the optical fiber connector mounting portion 113 . Those skilled in the art should understand that the SMA905 is a common optical element, and details are not described here.

Please refer to FIGS. 18 to 20, which are perspective views and cross-sectional views of a first modified embodiment of the first alternative embodiment of the present invention. The difference between the present variant embodiment and the above-mentioned first alternative embodiment is that the bridge portion 104 of the transition element 11 does not include the two openings 1042 , and the other structures are the same, so the details are not repeated here.

Please refer to FIGS. 21 to 22, which are cross-sectional views of a second modified embodiment of the first alternative embodiment of the present invention. This modified embodiment is different from the above-mentioned first selected embodiment in that the adapter element 11 does not include the optical fiber connector mounting portion 113 , and the rest are the same. In other words, the present invention can only be used to integrate the optical components at the front end of the optical device 100 without using the present invention to perform prior optical correction, so that the present invention can also be used to integrate the front end optical elements. Therefore, the adapter element 11 is not provided with the optical fiber connector mounting portion 113, and is not a limitation of the present invention. Therefore, it can be understood that the structure of the second variant embodiment is the same except that the arrangement of the optical fiber splice mounting portion 113 is different from that of the first alternative embodiment, so it is not repeated here.

Please refer to FIGS. 23 to 34. FIG. 23 is a perspective view of an optical front-end combining device 10 according to a second alternative embodiment of the present invention. Please refer to FIGS. 23 and 34 for the description of this embodiment below. As shown in the figure, the optical front-end combining device 10 of this embodiment includes an adapter element 11 , a slit element 12 , at least one optical lens 13 , a light blocking element 14 and a lens barrel 16 . The slit element 12 , the optical lens 13 and the light blocking element 14 are relatively arranged on the integrally formed adapter element 11 according to the optical settings, so as to ensure the accurate alignment between the elements. In particular, in this embodiment, the optical lens 13 is locked on the adapter element 11 via the lens barrel 16 . Similarly, the optical front-end combining device 10 of the second alternative embodiment of the present invention is the same as that of the first alternative embodiment, and is suitable for a detachable assembly in an optical device 100 . Understandably, this The optical front-end combining device 10 of the embodiment is also suitable for integrating each optical element or each optical component of the front-end of the spectrometer. The structure of the spectrometer will not be repeated in this embodiment without affecting the implementation of the present invention. In addition, the focal length of the optical lens 13 in this embodiment can be implemented as 10mm, but this is not a limitation of the present invention.

In this embodiment, the adapter element 11 of the optical front-end combining device 10 includes a slit mounting portion 111, at least one lens mounting portion 112, an optical fiber connector mounting portion 113, a light blocking element mounting portion 114 and a lens barrel mounting portion Section 116. The lens mount portion 112 is integrally formed and extended from the slit mount portion 111 . The optical fiber connector mounting portion 113 is integrally formed and extends to the slit mounting portion 111 . Further, the optical fiber connector mounting portion 113 is located between the slit mounting portion 111 and the lens mounting portion 112 . The light blocking element mounting portion 114 is connected to the slit mounting portion 111 . Further, the slit mounting portion 111 is located between the optical fiber splice mounting portion 113 and the light blocking element mounting portion 114 . The lens barrel mounting portion 116 is connected to the slit mounting portion 111 . Further, the lens barrel mounting portion 116 is located between the lens mounting portion 112 and the optical fiber connector mounting portion 113 . In particular, when the optical lens 13 is disposed on the lens mounting portion 112 , the lens barrel 16 is disposed on the lens barrel mounting portion 116 to lock the optical lens 13 to the adapter element 11 . In addition, the adapter element 11 further includes an optical device mounting portion 120 . The optical device mounting portion 120 is connected to the slit mounting portion 111 for mounting the adapter element 11 on the optical device 100 .

In addition, the adapter element 11 is integrally formed with the above-mentioned mounting portions. Further, the slit element 12 is provided on the slit mounting portion 111 , the optical lens 13 is detachably mounted on the lens mounting portion 112 , and the light blocking element 14 is provided on the light blocking element mounting portion 114 . The lens barrel 16 is detachably provided to the lens barrel mounting portion 116 . In particular, an optical fiber connector 15 is detachably assembled to the optical fiber connector mounting portion 113 . The optical fiber connector 15 can be implemented as an SMA905 or the like. It is worth mentioning that the optical correction of the optical device 100 or the spectrometer is assisted by the optical fiber connector 15 . Therefore, the optical fiber connector 15 is only calibrated in the optical device 100 or the spectrometer. After the calibration, the optical fiber connector 15 will be removed from the optical fiber connector mounting part 113, and the optical lens 13 will be installed on the lens mounting part 112, and the optical lens 13 will be tightened by the lens barrel 16. It is fixed to the adapter element 11 by press fit. That is to say, the optical lens 13 , the optical fiber connector 15 and the lens barrel 16 are all detachably disposed on the adapter element 11 .

It can be understood that the optical device 100 or the spectrometer needs to be optically calibrated before being assembled or shipped. During calibration, the optical fiber connector 15, which can be implemented as SMA905, is usually attached to the optical device 100 or the spectrometer for optical calibration. After calibration, the fiber optic connector 15 is detached from the optical device 100 or the spectrometer. However, for a general optical device 100 or a spectrometer, there is no special structure for installing the optical fiber connector 15 , and other jigs are usually used for calibration. However, such calibration methods have certain tolerances, resulting in inaccuracy of calibration. Therefore, the optical front-end combining device 10 of the present invention can not only integrate the optical components of the front-end of the optical equipment, but also be used for optical correction. Furthermore, during calibration, the SMA905 is installed on the optical fiber connector mounting portion 113 of the adapter element 11 , and the optical lens 13 is not mounted on the lens mounting portion 112 at this time. After calibration, the SMA905 is disassembled from the optical fiber connector mounting portion 113 , and then the optical lens 13 is mounted on the lens mounting portion 112 of the adapter element 11 , and assembled to the lens barrel mounting portion 116 through the lens barrel 16 to fix the optical lens 13 on the lens mounting portion 112 of the adapter element 11 . In other words, the SMA905 is detachably mounted on the fiber connector mounting portion 113 of the adapter element 11 . In addition, in the present embodiment, the slit element 12 is located between the light blocking element 14 and the SMA 905 during calibration. After calibration, the SMA905 is disassembled so that the slit element 12 is located between the light blocking element 14 and the optical lens 13 .

In this embodiment, the optical fiber connector mounting portion 113 is implemented as an internal thread 1131 structure, so as to be suitable for assembling the optical fiber connector 15 . It can be understood that the SMA905 is assembled on the inner thread 1131 of the optical fiber connector mounting part 113 before the calibration, and the SMA905 is removed from the optical fiber connector mounting part 113 after the calibration. The internal thread 1131 is removed.

It is worth mentioning that the lens barrel 16 has an assembling portion 161 , an abutting portion 162 and a casing opening 163 . The assembling portion 161 is connected to the abutting portion 162 . A casing opening 163 is formed in the lens barrel 16 relative to the lens mounting portion 112 for light transmission. The abutting portion 162 is formed around the casing opening 163 . Further, when the lens barrel 16 is assembled to the adapter element 11 , the assembling portion 161 is assembled and matched with the lens barrel mounting portion 116 , and the abutting portion 162 is press-fitted with the optical lens 13 , wherein the abutting portion 162 can be implemented as a flat, Beveled, curved, or abutted bumps. In addition, the assembly portion 161 and the lens barrel mounting portion 116 may be implemented as screw fitting. That is, the assembling portion 161 can implement an inner thread to fit with an outer thread of the lens barrel mounting portion 116 , so that the lens barrel 16 is mounted on the lens barrel mounting portion 116 .

In addition, in this embodiment, the slit mounting portion 111 includes a slit support portion 1111 , a positioning portion 1112 and a buffer portion 1113 . Further, the outer shape of the slit mounting portion 111 is the same as or slightly larger than that of the slit element 12 for placing and fixing the slit element 12 . In other words, the slit support portion 1111 is used to support the slit element 12 . The positioning portion 1112 is connected to the slit supporting portion 1111 , wherein the slit element 12 abuts against the positioning portion 1112 . That is, the slit element 12 is disposed on the slit supporting portion 1111 and abuts against the positioning portion 1112 , so as to ensure the relative position of the slit element 12 and the slit mounting portion 111 . The buffer portion 1113 is connected to the slit support portion 1111 , wherein there is a gap between the buffer portion 1113 and the corner of the slit element 12 , so that when the slit element 12 is assembled to the slit support portion 1111 , the slit element 12 Damage to the slit element 12 due to direct contact with the buffer portion 1113 is avoided. Further, the slit mounting portion 111 further includes at least one or more slit dispensing portions 1114 . The slit dispensing portion 1114 is connected to the slit supporting portion 1111 , so that when the slit element 12 is disposed on the slit supporting portion 1111 , an adhesive element is disposed on the slit dispensing portion 1114 to fix the slit element 12 on the slit support portion 1111 . In addition, the adhesive element may be implemented as a glue, AB glue, or other adhesive elements or substances, which is not a limitation of the present invention.

It can be understood that the slit mounting portion 111 also forms a slit opening groove 1115 . The slit element 12 is disposed in the slit opening groove 1115 . In addition, the slit support portion 1111 is a bottom wall of the slit opening groove 1115 . The slit element 12 is disposed on the slit support portion 1111 , that is, on the bottom wall of the slit opening groove 1115 . The positioning portion 1112 extends upward from the slit supporting portion 1111 and protrudes from a top of the slit opening slot 1115 , and the positioning portion 1112 is also connected to a side wall of the slit opening slot 1115 .

In particular, the buffer portion 1113 includes a missing corner 11131 . The missing corner 11131 is connected to the positioning portion 1112 for identifying the assembling direction of the slit element 12 and preventing the corner of the slit element 12 from directly contacting the slit mounting portion 111 during assembly, which may cause breakage. In addition, the positioning portion 1112 includes two positioning surfaces 11121 . The two positioning surfaces 11121 are respectively connected to the slit support portion 1111 , so that the slit element 12 abuts against and accurately performs two-axis positioning. For convenience of description, the two positioning surfaces 11121 in this embodiment are respectively defined as a positioning surface 11121a and a positioning surface 11121b. The positioning surface 11121a is connected to the slit support portion 1111, so that when the slit element 12 is disposed on the slit support portion 1111, the positioning surface 11121a abuts against a surface of the slit element 12, so as to achieve the rotation of the slit element 12 relative to the slit element 12. The first axial direction of the connecting element 11 is precisely positioned. In addition, the positioning surface 11121b is connected to the slit support portion 1111 and forms an included angle with the positioning surface 11121a, and the angle of the included angle is not zero, so as to achieve the second axial precise positioning of the slit element 12 relative to the adapter element 11 . More specifically, the positioning surface 11121a and the positioning surface 11121b are not coplanar, and when the slit element is disposed on the slit support portion 1111, a first surface of the slit element 1111 abuts the positioning surface 11121a, one of the slit elements The second surface abuts against the positioning surface 11121b.

In particular, as in the present embodiment, the two positioning surfaces 11121 can also be perpendicular to each other for positioning the slit element 12 relative to the X-axis and Y-axis directions of the adapter element 11, but this is not the invention limit. In addition, the missing corner 11131 of the buffer portion 1113 can be located at the corner of the two positioning surfaces 11121, so as to determine the direction of the slit element 12 during assembly, and at the same time, it can prevent the slit element 12 from being rotated during assembly. The contact element 11 is broken by direct contact. In particular, the corners of the two positioning surfaces 11121 can be rounded, chamfered or inclined as the cutout 11131 , so that when the slit element 12 is assembled in the slit opening groove 1115 , the slit element 12 can be identified by the cutout 11131 The two positioning surfaces 11121 limit the two-axis movement direction of the slit element 12 , and then the adhesive element is arranged on the slit dispensing portion 1114 to fix the slit element 12 on the slit support portion 1111 . Additionally, the shape of the slit opening slot 1115 is the same or similar to the shape of the slit element 12 . In particular, the shapes of the slit opening groove 1115 and the slit element 12 can be implemented in various suitable shapes such as H-shape, concave shape, rectangular shape, etc., which is not a limitation of the present invention. In addition, the cut corners 11131 can be implemented in various suitable structures such as rounded corners, chamfered corners, or inclined surfaces, which are also not limited to the present invention.

In this embodiment, the light-blocking element mounting portion 114 includes a light-blocking support portion 1141 and a light-blocking glue dispensing portion 1142 . The light blocking support portion 1141 is used to support the light blocking element 14 . The light-blocking dispensing portion 1142 is connected to the light-blocking support portion 1141 , wherein the light-blocking dispensing portion 1142 is used for accommodating an adhesive element to fix the light-blocking element 14 to the light-blocking element mounting portion 114 .

Further, the light-blocking element mounting portion 114 also forms a light-blocking opening slot 1143 . The light blocking element 14 is disposed in the light blocking opening groove 1143 . Further, the positioning portions 1112 of the slit mounting portion 111 respectively extend upward from the slit supporting portion 1111 and protrude from the light blocking supporting portion 1141 to the top of the light blocking opening groove 1143 . In particular, the top of the slit opening groove 1115 may be directly implemented as the light blocking support part 1141 . In addition, the light-blocking dispensing portion 1142 is also connected to the sidewall of the light-blocking opening groove 1143 , so that when the light-blocking element 14 is disposed in the light-blocking opening groove 1143 , the assembly of the light-blocking element 14 can be recognized through the missing corner 11131 of the buffer portion 1113 at the same time. The two positioning surfaces 11121 of the positioning portion 1112 limit the two-axis directions of the light-blocking element 14 , and then glue or adhesive elements are placed on the light-blocking dispensing portion 1142 to fix the light-blocking element 14 in the light-blocking opening groove 1143 . It can be understood that the slit element 12 is disposed on the slit support portion 1111 and abuts against the positioning portion 1112 , and the light blocking element 14 is disposed on the light blocking support portion 1141 and abuts against the positioning portion 1112 , so that the center line of the slit element 12 passes through the opening 141 of the light blocking element 14 . In addition, the shape of the light blocking opening groove 1143 is the same as or similar to the shape of the light blocking member 14 . In particular, the shapes of the light-blocking opening groove 1143 and the light-blocking element 14 can be implemented in various suitable shapes such as H-shape, concave shape, rectangular shape, etc., which is not a limitation of the present invention.

In this embodiment, the optical device mounting portion 120 includes an adapter insertion portion 101 and at least one adapter locking portion 102 . The adapter locking portion 102 is connected to the adapter insertion portion 101 and extends to the outside of the adapter insertion portion 101 . In this way, when the adapter inserting portion 101 is assembled and inserted into the optical device 100 or the spectrometer, the adapter locking portion 102 is suitable for attaching and fixing to the housing 20 of the optical device 100 or the spectrometer. In particular, each adapter locking portion 102 has a locking hole 1021 respectively, so as to lock the adapter element 11 to the housing 20 of the optical device 100 through a connecting element (not shown). Further, in this embodiment, two transfer locking portions 102 are implemented. It can be understood that two connecting elements (not shown) pass through the two locking holes 1021 respectively to fix the adapter element 11 to the housing 20 . Therefore, the number of the transfer locking parts 102 is not a limitation of the present invention. In addition, the connecting elements can be implemented as common locking and matching elements such as screws, bolts, rivets, latches, etc., which is not also a limitation of the present invention.

In this embodiment, the adapter insertion portion 101 forms a protruding portion for being installed in the housing 20 of the optical device 100 . In particular, the adapter insertion portion 101 includes a fixture positioning surface 1011 . A jig positioning surface 1011 is formed on the protruding portion, and a jig is used to locate the relative positions of the adapter element 11 and the optical device 100 . In this embodiment, the fixture positioning surface 1011 forms a plane around the protruding portion for positioning the adapter element 11 on the optical device 100 , but this is not a limitation of the present invention. In other words, the fixture positioning surface 1011 It can also be implemented as a convex portion or a groove, so as to determine the relative position of the adapter element 11 and the optical device 100 during assembly. It is worth mentioning that the adapter insertion portion 101 can be a columnar body of various shapes, ie, a cylinder, a square column, a polygonal column, etc., which is not a limitation of the present invention.

In this embodiment, the adapter element 11 further includes an adapter front end 103 . The adapter front end portion 103 is integrally formed and connected to the lens mounting portion 112 for installing at least one front end optical element. Further, the adapter front end portion 103 extends from the adapter insertion portion 101 to be used for other front-end optical elements of the device, such as the light blocking element 14 , the optical lens 13 and the slit element 12 . The adapter element 11 further includes a bridge portion 104 . The bridge portion 104 is connected between the slit mounting portion 111 and the lens mounting portion 112 . The bridge portion 104 has an optical channel 1041 inside, wherein the optical channel 1041 is used for optically coupling the optical lens 13 and the slit element 12 . In addition, the bridging portion 104 includes at least two openings 1042 , wherein when the optical fiber connector 15 is connected to the optical fiber connector mounting portion 113 from the optical channel 1041 , the appearance handle portion of the optical fiber connector 15 is exposed through the openings 1042 . Further, two openings 1042 are formed near the optical fiber connector mounting portion 113 to facilitate the installation of the optical fiber connector 15 . In other words, the two openings 1042 are located on the opposite sides of the bridge portion 104 , and when the optical fiber connector 15 is disposed on the optical fiber connector mounting portion 113 , the optical fiber connector 15 will be exposed from the two openings 1042 .

In addition, the adapter element 11 further includes an element light blocking portion 105 . The element light blocking portion 105 is located between the adapter inserting portion 101 and the adapter locking portion 102 to prevent light leakage when the adapter element 11 is assembled to the housing 20 of the optical device 100 . It can be understood that the housing 20 of the optical device 100 has an insertion hole 21 and an annular fitting portion 22 . The size and shape of the annular fitting portion 22 of the housing 20 is the same as the size and shape of the light blocking portion 105 of the adapter element 11 , so that when the adapter insertion portion 101 of the adapter element 11 is assembled to the insertion hole 21 of the casing 20 , the element light blocking part 105 of the adapter element 11 will be matched with the annular matching part 22 of the housing 20 , which not only avoids light leakage, but also facilitates the assembly of the optical front end combining device 10 to the optical device 100 . Further, the element light blocking portion 105 and the annular matching portion 22 both form an annular stepped shape and cooperate with each other. That is to say, the element light blocking portion 105 and the annular matching portion 22 form an annular step in which a convex and a concave can cooperate with each other.

In this embodiment, the transition front end 10 further includes an annular light blocking portion 106 . Ring light The blocking portion 106 is connected to the bridge portion 104 . The annular light blocking portion 106 is located between the lens barrel 16 and the openings 1042 , and overlaps with a part of the lens barrel 16 to shield the openings 1042 .

Please refer to FIG. 35, which is a cross-sectional view of a first modified embodiment of the second alternative embodiment of the present invention. This modified embodiment is different from the second alternative embodiment described above. The transfer front end portion 103 of the transfer element 11 does not include the two openings 1042 , and the other structures are the same, so detailed descriptions are omitted here.

Please refer to FIG. 36, which is a cross-sectional view of a second modified embodiment of the second alternative embodiment of the present invention. This modified embodiment is different from the above-mentioned second alternative embodiment that the adapter element 11 does not include the optical fiber connector mounting portion 113 , and the rest are the same. In other words, the present invention can only be used to integrate the optical components at the front end of the optical device 100 without using the present invention to perform prior optical correction, which is not a limitation of the present invention. Therefore, it can be understood that, in the structure of the second modified embodiment, except that the configuration of the optical fiber connector mounting portion 113 is different from that of the first alternative embodiment, the rest of the structure is the same, so it is not repeated here.

Please refer to FIGS. 37 to 38 . FIGS. 37 and 38 are schematic structural diagrams of an optical front-end combining device 10 according to a third alternative embodiment of the present invention. For the description of this embodiment, please refer to FIGS. 37 and 38 Figure 38. As shown in the figure, the optical front-end combining device 10 of this embodiment includes an adapter element 11 , a slit element 12 , two optical lenses 13 , a light blocking element 14 and a light source element 17 . The slit element 12 , the optical lens 13 , the light blocking element 14 and the light source element 17 are relatively arranged on the adapter element 11 according to the optical settings, so as to ensure accurate alignment between the elements. Further, two optical lenses 13 are located between the slit element 12 and the light source element 17 . The slit element 12 is located between the light blocking element 14 and the optical lens 13 . It can be understood that the optical front-end combining device 10 of the third alternative embodiment of the present invention is the same as the first alternative embodiment, and is suitable for being detachably mounted on a housing 20 of an optical device 100 . That is, the optical front-end combining device 10 of this embodiment is also suitable for integrating each optical element or each optical component of the front-end of the spectrometer.

In this embodiment, the adapter element 11 of the optical front-end combining device 10 includes a slit A mounting portion 111 , two lens mounting portions 112 , a light-blocking element mounting portion 114 , a light source disposing portion 117 and a sample-to-be-measured portion 118 . The lens mount portion 112 is integrally formed and extended from the slit mount portion 111 . The optical fiber connector mounting portion 113 is integrally formed and extends to the slit mounting portion 111 . The sample-to-be-measured portion 118 is integrally formed and connected to the lens mounting portion 112 . The light source arrangement portion 117 is integrally formed and connected to the sample mounting portion 118 . Further, the slit mounting portion 111 is located between the lens mounting portion 112 and the light blocking element mounting portion 114 . The two lens mounting portions 112 are respectively located between the slit mounting portion 111 and the light source arrangement portion 117 . The sample-to-be-measured part 118 is located between the two lens mounting parts 112 , and the light source configuration part 117 and the sample-to-be-measured part 118 are integrally formed and extended from the slit installation part 111 . It can be understood that the slit element 12 is assembled to the slit mounting portion 111 . The two optical lenses 13 are respectively assembled to the two lens mounting portions 112 . The light blocking element 14 is assembled to the light blocking element mounting portion 114 . The light source element 17 is assembled to the light source arrangement portion 117 . The sample-to-be-measured portion 118 is suitable for placing a testing sample 200 . Understandably, after the light source element 17 emits a light signal, it passes through one of its optical lenses 13 to the detection sample, then passes through the detection sample to another optical lens 13 and then reaches the slit element 12, and then passes through the slit element 12 to the stopper. The light element 14 finally enters the spectrometer, where the light blocking element 14 will filter out excess stray light. In other words, the detection sample is located between two optical lenses 13, one optical lens 13 is located between the detection sample and the light source element 17, the other optical lens 13 is located between the detection sample and the slit element 12, and the slit element 12 is located in the other Between the optical lens 13 and the light blocking element 14 .

In addition, the sample-to-be-measured portion 118 has a first cavity 1181 for placing an object to be measured or a detection sample 200 . The first cavity 1181 has a first light outlet 11811 , and the first light outlet 11811 is optically coupled to the optical lens 13 . The light source configuration part 117 has a second cavity 1171 for placing a light source or light source element 17 . The second cavity 1171 has a second light outlet 11711 , and the second light outlet 11711 is optically coupled to the first light inlet 11811 of the first cavity 1181 .

In addition, for the convenience of understanding, the following two optical lenses 13 in this embodiment are respectively defined For the optical lens 13a and the optical lens 13b, the two lens mounting portions 112 are respectively defined as a lens mounting portion 112a and a lens mounting portion 112b. The optical lens 13a is provided on the lens mounting portion 112a, and the optical lens 13b is provided on the lens mounting portion 112b. The sample-to-be-measured portion 118 is located between the lens mounting portion 112a and the lens mounting portion 112b. The lens mounting portion 112 a is located between the light source arrangement portion 117 and the sample-to-be-measured portion 118 . The lens mounting portion 112b is located between the sample to be measured portion 118 and the slit mounting portion 111 . Understandably, the light source element 17 emits a light signal, which goes through the optical lens 13a to the detection sample 200, then from the detection sample 200 to the optical lens 13b, then through the optical lens 13b to the slit element 12, and then from the slit element 12 to the slit element 12. The light blocking element 14 finally enters the spectrometer, wherein the light blocking element 14 will filter out the excess stray light. In other words, the detection sample 200 is located between the optical lens 13a and the optical lens 13b, the optical lens 13a is located between the detection sample 200 and the light source element 17, the optical lens 13b is located between the detection sample 200 and the slit element 12, and the slit element 12 is located Between the optical lens 13b and the light blocking element 14 . In addition, in this embodiment, the focal length of the optical lens 13 may be implemented as 10 mm.

In addition, the optical setting of the optical signal between the two optical lenses 13 to the slit element 12 after parallel refraction or non-parallel refraction does not affect the application of the optical front-end combining device 10 of the present invention. In particular, the parallel light or non-parallel light provided by the light source element 17 can also enter the optical device 100 through the optical front-end combining device 10 of the present invention. In other words, the type of light source is not a limitation of the present invention.

Please refer to FIGS. 39 to 42 . FIGS. 39 and 42 are schematic structural diagrams of an optical front-end combining device 10 according to a fourth alternative embodiment of the present invention. For the description of this embodiment, please refer to FIGS. 39 and 42 below Fig. 42. As shown in the figure, the optical front-end combining device 10 of this embodiment includes an adapter element 11 , a slit element 12 , three optical lenses 13 , a light blocking element 14 , a light source element 17 and a semi-reflecting element 18 . The slit element 12 , the three optical lenses 13 , the light blocking element 14 , the light source element 17 and the semi-reflecting element 18 are relatively arranged on the adapter element 11 according to the optical settings to ensure the alignment between the elements Exactly. In particular, the semi-reflective element 18 is disposed between the three optical lenses 13 , and at one end of the three optical lenses 13 are the light source element 17 , the detection sample 200 and the slit element 12 respectively. The slit element 12 is located between the light blocking element 14 and an optical lens 13 thereof. In addition, for the convenience of description, the three optical lenses 13 in this embodiment are respectively defined as an optical lens 13a, an optical lens 13b, and an optical lens 13c. In this embodiment, the optical lens 13 a is located between the light source element 17 and the semi-reflecting element 18 . The optical lens 13b is located between the detection sample 200 and the transflective element 18 . The optical lens 13c is located between the semi-reflex element 18 and the slit element 12 . It can be understood that when the light signal is emitted from the light source element 17, the light signal passes through the optical lens 13a to the semi-reflective element 18, and then is reflected to the optical lens 13b through the semi-reflective element 18, and then from the optical lens 13b to the detection sample 200, Then from the test sample 200 to the optical lens 13b, then from the optical lens 13b to the semi-reflective element 18, then from the semi-reflective element 18 to the optical lens 13c, then from the optical lens 13c to the slit element 12, and then from the slit Element 12 to light blocking element 14, and finally into the spectrometer, where light blocking element 14 will filter out excess stray light. In addition, in this embodiment, the focal length of the optical lens 13 may be implemented as 10 mm. The transmissive reflections of the semi-reflex element 18 are respectively 50% and 50%, that is, R/T=50/50, but this is not a limitation of the present invention.

Likewise, the optical front-end combining device 10 of the fourth alternative embodiment of the present invention is the same as that of the first alternative embodiment, and is suitable for being detachably mounted on a housing 20 of an optical device 100 . That is, the optical front-end combining device 10 of this embodiment is also suitable for integrating each optical element or each optical component of the front-end of the spectrometer.

In this embodiment, the adapter element 11 of the optical front-end combining device 10 includes a slit mounting portion 111 , three lens mounting portions 112 , a light-blocking element mounting portion 114 , a light source configuration portion 117 and a half-reverse penetration mounting portion 119 . In addition, for the convenience of description, the three lens mounting portions 112 are respectively defined as a lens mounting portion 112a, a lens mounting portion 112b and a lens mounting portion 112c. The slit mounting portion 111 is located between the lens mounting portion 112 a and the light blocking element mounting portion 114 . The lens mounting portion 112a is located between the light source arrangement portion 117 and the half Reversely penetrate between the mounting parts 119 . The lens mounting portion 112b is located between the test sample 200 and the semi-reverse penetration mounting portion 119 . The lens mounting portion 112c is located between the slit mounting portion 111 and the semi-reverse penetration mounting portion 119 . In addition, the optical lens 13a is provided on the lens mounting portion 112a, the optical lens 13b is provided on the lens mounting portion 112b, and the optical lens 13c is provided on the lens mounting portion 112c. The slit element 12 is assembled to the slit mounting portion 111 . The light blocking element 14 is assembled to the light blocking element mounting portion 114 . The light source element 17 is assembled to the light source arrangement portion 117 .

In particular, this embodiment may further include a sample to-be-measured portion 118 . The lens mounting portion 112b is located between the sample to be tested portion 118 and the semi-reverse penetration mounting portion 119 . It is worth mentioning that when a test sample 200 is placed in the sample to be tested portion 118 of this embodiment, the test sample 200 can be attached to the adapter element 11 or maintain a predetermined distance D from the adapter element 11 . In addition, the optical setting of parallel refraction or non-parallel refraction of the optical signal between the switching elements 11 does not affect the application of the optical front-end combining device 10 of the present invention. As shown in Figs. 39 and 40, the optical signal between the detection sample 200 and the optical lens 13b is refracted in parallel. As shown in FIGS. 41 and 42, the optical signal between the detection sample 200 and the optical lens 13b is non-parallel refraction. Meanwhile, the parallel light or non-parallel light provided by the light source element 17 can enter the optical device 100 through the optical front-end combining device 10 of the present invention, that is, the type of the light source is not limited by the present invention.

In conclusion, although the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. Those with ordinary knowledge in the technical field to which the present invention pertains, without departing from the spirit and scope of the present invention, can make various modifications and equivalent replacements, which are still within the protection scope of the present invention patent. Therefore, the content of the foregoing description or drawings shall not be used as a limitation for interpreting the scope of the patent application.

10: Optical front-end combination device

11: Transfer element

1112: Positioning Department

1113: Buffer

114: Light blocking element mounting part

14: Light blocking element

1141: Light blocking support

1142: Light blocking dispensing department

1011: Fixture positioning surface

102: Transfer locking part

1021: Lock hole

103: Transfer front end

104: Bridge section

1042: Opening

105: Element Light Block

Claims (19)

An adapter element, comprising: a slit mounting portion for setting a slit element; at least one lens mounting portion integrally formed and extending from the slit mounting portion for detachably mounting an optical lens, so that the A centerline of the slit element overlaps with an optical axis of the optical lens; an optical fiber connector mounting part is integrally formed and extends from the slit mounting part, so as to be used for detachably setting an optical fiber connector to make the slit element The center line is overlapped with the center line of the optical fiber connector; and an optical device mounting portion is connected to the slit mounting portion for mounting the switching element on an optical device. The adapter element according to claim 1, wherein the slit mounting portion, the lens mounting portion, the optical fiber connector mounting portion and the optical device mounting portion are integrally formed. The adapter element according to claim 1, wherein the slit mounting portion comprises: a slit support portion; and a positioning portion connected to the slit support portion, wherein the slit element is disposed in the slit The support part is on and abuts against the positioning part. The adapter element according to claim 3, wherein the slit mounting portion comprises: a buffer portion connected to the slit support portion, wherein when the slit element abuts against the positioning portion, the buffer portion and There is a gap between the corners of the slit element. The adapter element according to claim 3, wherein the positioning portion comprises: a first positioning surface connected to the slit support portion, wherein when the slit element is disposed on the slit support portion, the slit A first face of the slot element abuts against the first positioning face. The adapter element according to claim 5, wherein the positioning portion further comprises: a second positioning surface connected to the slit support portion, wherein the second positioning surface and the first positioning surface are not coplanar, When the slit element is disposed on the slit support portion, a second surface of the slit element abuts against the second positioning surface. The adapter element described in claim 1, further comprising: a light-blocking element mounting portion connected to the slit mounting portion for installing a light-blocking element, wherein the slit mounting portion includes a slit A support portion and a positioning portion, the slit support portion is connected to the positioning portion, wherein the slit element is arranged on the slit support portion and abuts against the positioning portion, wherein the light blocking element mounting portion includes a light blocking support the light-blocking support part is connected to the positioning part, wherein the light-blocking element has an opening, the center line of the slit element passes through the opening of the light-blocking element, and the light-blocking element is arranged on the light-blocking element on the support portion and abut against the positioning portion. The adapter element according to claim 1, wherein the lens mounting portion comprises: a plurality of lens locking holes disposed around the lens mounting portion; and a plurality of locking elements passing through the lens locking holes The hole is pushed to the center of the optical lens, so as to adjust the optical axis position of the optical lens and fix the optical lens to the adapter element. The adapter element as described in item 1 of the scope of the application further comprises: a lens barrel mounting portion connected to the lens mounting portion; and a lens barrel, comprising: a casing opening, opposite to the lens mounting portion, formed on the lens barrel for light transmission; an abutting part formed on the periphery of the opening of the casing; and an assembling part connected to the abutting part, wherein the assembling part of the lens barrel is arranged on the When the lens barrel mounting portion is used, the abutting portion tightly fits and presses the optical lens to the lens mounting portion. The adapter element as described in claim 1, further comprising: a bridge portion connected between the slit mounting portion and the lens mounting portion, and having an optical channel inside, wherein the optical channel is used for optical coupling connecting the optical lens and the slit element. The adapter element as described in claim 10, wherein the bridge portion includes at least two openings, and when the optical fiber connector is connected to the optical fiber connector mounting portion from the optical channel, the appearance handle portion of the optical fiber connector will be removed from the two openings. The opening is revealed. The adapter element described in item 11 of the scope of the application further comprises: a lens barrel mounting portion connected to the lens mounting portion; a lens barrel mounted on the lens barrel mounting portion; and an annular light blocking portion, The bridge portion is connected, located between the lens barrel and the openings, and overlaps with a part of the lens barrel to shield the openings. The adapter element as described in claim 1, wherein the optical device mounting portion comprises: an adapter insertion portion forming a protruding portion for being installed in a housing of the optical equipment; and at least one adapter The locking portion is connected to the adapter insertion portion and is used for locking to the casing of the optical device. The adapter element as described in claim 13, wherein the adapter insertion portion comprises: a fixture positioning surface formed on the protruding portion and matched with a fixture for positioning the adapter element and the optical device relative position. The adapter element described in claim 1 of the scope of the application further comprises: a sample to be tested part, integrally formed and connected to the lens mounting part, having a first cavity for placing an object to be tested, wherein the first cavity A first light outlet is provided, and the first light outlet is optically coupled to the optical lens. The adapter element as described in claim 15, further comprising: a light source configuration part integrally formed and connected to the sample-to-be-measured part, having a second cavity for placing a light source, wherein the second cavity has a The second light exit port is optically coupled to a first light entrance port of the first cavity. The adapter element described in item 16 of the scope of the application further comprises: an adapter front end integrally formed and connected to the lens mounting part for installing at least one front end optical element, optically coupling the optical lens, the light source and the /or the analyte. An optical front-end combining device, comprising: an adapter element, including: a slit mounting portion; at least one lens mounting portion integrally formed and extending from the slit mounting portion; an optical fiber connector mounting portion integrally formed and extending from the slit an installation part for detachably arranging an optical fiber connector; and an optical device installation part, integrally formed and extended on the slit installation part, for installing the adapter element on an optical device; a slit element , which is arranged on the slit mounting part; and at least one optical lens, which is arranged on the lens mounting part, wherein the center line of the slit element and the optical axis of the optical lens overlap. A spectrometer, comprising: a housing; an optical front-end combining device disposed on the housing, the optical front-end combining device comprising: an adapter element; a slit element, arranged at a first position of the adapter element; and an optical lens, arranged at a second position of the adapter element, so that the center line of the slit element and the optical axis of the optical lens overlap; The optical front end combines with the device to enter an optical signal for spectral analysis.

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