CN214276965U - Optical signal detection device - Google Patents

Optical signal detection device Download PDF

Info

Publication number
CN214276965U
CN214276965U CN202120684463.XU CN202120684463U CN214276965U CN 214276965 U CN214276965 U CN 214276965U CN 202120684463 U CN202120684463 U CN 202120684463U CN 214276965 U CN214276965 U CN 214276965U
Authority
CN
China
Prior art keywords
optical
mounting
mounting portion
optical element
fiber interface
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202120684463.XU
Other languages
Chinese (zh)
Inventor
刘铁夫
史洪伟
王政良
刘腾
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Langlang Biotechnology Co ltd
Original Assignee
Beijing Langlang Biotechnology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Langlang Biotechnology Co ltd filed Critical Beijing Langlang Biotechnology Co ltd
Priority to CN202120684463.XU priority Critical patent/CN214276965U/en
Application granted granted Critical
Publication of CN214276965U publication Critical patent/CN214276965U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Geophysics And Detection Of Objects (AREA)

Abstract

The application relates to the technical field of optical detection equipment, in particular to an optical signal detection device which comprises an optical path system, a detection unit and a detection unit, wherein the optical path system comprises an optical element mounting piece and an optical element unit, and a mounting through hole is formed in the optical element mounting piece; the optical element unit comprises a filter piece and a second lens, the filter piece and the second lens are installed in the installation through hole, the filter piece and the second lens are arranged in a first direction, and the first direction is the axial direction of the installation through hole. The application aims to solve the problem that the whole size of the existing optical signal detection device is large, and provides an optical signal detection device.

Description

Optical signal detection device
Technical Field
The application relates to the technical field of optical detection equipment, in particular to an optical signal detection device.
Background
An optical signal detection device is a detection device configured to convert an optical signal into an electrical signal. The optical signal detection device generally has a plurality of optical and electrical elements, and in the existing optical signal detection device, the arrangement of each element is generally loose, which results in a large overall volume of the optical signal detection device.
SUMMERY OF THE UTILITY MODEL
The application aims to solve the problem that the whole size of the existing optical signal detection device is large, and provides an optical signal detection device.
In order to achieve the purpose, the following technical scheme is adopted in the application:
an aspect of the present application provides an optical signal detection apparatus including an optical path system including an optical element mount on which a mounting through-hole is formed and an optical element unit;
the optical element unit comprises a light filtering piece and a second lens, wherein the light filtering piece and the second lens are arranged in the mounting through hole, the light filtering piece and the second lens are arranged in a first direction, and the first direction is the axial direction of the mounting through hole.
Optionally, the second lens has a second lens end surface facing away from the filter, the filter has a filter end surface facing away from the second lens, and a distance between the second lens end surface and the filter end surface is equal to an axial length of the mounting through hole.
The technical scheme has the beneficial effects that: like this, can select the distance between second lens and the light filter earlier according to the needs that light signal detected, then confirm the axial length of installation through-hole according to this distance, and then confirm the corresponding thickness of light element installed part according to the axial length of installation through-hole, under the condition of guaranteeing that light signal detection function normally realizes, make the thickness of light element installed part less relatively, reduce the shared volume of light element installed part, further reduce the shared volume of light signal detection device.
Optionally, the light element unit has a dichroic mirror, the light element mounting member includes a first mounting portion and a second mounting portion connected to each other, the mounting through hole is formed on the second mounting portion, the first mounting portion protrudes from the second mounting portion in the first direction, and the dichroic mirror is mounted in the first mounting portion so that the dichroic mirror, the filter and the second lens are arranged in order in the first direction.
The technical scheme has the beneficial effects that: through the first installation department in the first direction protrusion with the second installation department to make the dichroic mirror install in this second installation department, can make form suitable distance between dichroic mirror and the filter, and then guarantee the normal clear of light signal detection.
Optionally, the optical path system further includes an optical fiber interface installed on the optical element installation member, a first lens is installed in the optical fiber interface, the optical element unit further includes a dichroic mirror installation member, the dichroic mirror is installed on the dichroic mirror installation member, the dichroic mirror installation member is movably connected with the first installation member, so that the dichroic mirror installation member can move in a second direction relative to the first installation member, the second direction is an arrangement direction of the optical fiber interface and the optical element unit, and the second direction is perpendicular to the first direction.
The technical scheme has the beneficial effects that: this enables the relative positions of the dichroic mirror and the optical filter and the fiber interface to be adjusted in the second direction as required.
Optionally, the optical element mounting component further includes a third mounting portion, and the first mounting portion, the second mounting portion and the third mounting portion are sequentially connected in a third direction, so that the optical element mounting component forms a concave structure, the number of the optical element units is at least two, a part of the dichroic mirror of each optical element unit is mounted in the first mounting portion, and another part of the optical element units is mounted in the third mounting portion;
the optical path system further comprises a first optical fiber interface piece and a second optical fiber interface piece which are both arranged on the optical element installation piece, the first optical fiber interface piece and the second optical fiber interface piece are arranged in the third direction, and first lenses are both arranged in the first optical fiber interface piece and the second optical fiber interface piece;
the dichroic mirror mounted on the first mounting portion is configured to receive light emitted from the first optical fiber interface, and the dichroic mirror mounted on the third mounting portion is configured to receive light emitted from the second optical fiber interface;
the third direction is perpendicular to the first direction.
The technical scheme has the beneficial effects that: in this way, the optical fiber that transmits the light of the first group of colors can be connected to the first optical fiber interface member, and the light of the group of colors can be irradiated to the dichroic mirror attached to the first attachment portion, and the optical fiber that transmits the light of the other group of colors can be connected to the second optical fiber interface member, and the light that is sent out from the second optical fiber interface member can be irradiated to the dichroic mirror attached to the third attachment portion.
Optionally, the system comprises a circuit system, wherein the circuit system comprises a photoelectric detection sensor, a first circuit board and a second circuit board, and the photoelectric detection sensor is mounted on both the first circuit board and the second circuit board;
the first circuit board and the second circuit board are both connected with the optical element mounting part, so that light emitted from the first optical fiber interface part is emitted to the photoelectric detection sensor on the first circuit board through the optical element unit connected to the first mounting part, and light emitted from the second optical fiber interface part is emitted to the photoelectric detection sensor on the second circuit board through the optical element unit connected to the second mounting part.
The technical scheme has the beneficial effects that: thus, the detection of two groups of optical signals can be realized by one optical signal detection device.
Optionally, the temperature control system further comprises a detector mounting member and a temperature control system, wherein the temperature control system comprises a heat sink, the detector mounting member is mounted on the heat sink, and the photoelectric detection sensor is mounted on the detector mounting member so as to dissipate heat of the photoelectric detection sensor through the heat sink.
Optionally, the optical element mount is mounted to one side of the detector mount in the first direction, and the first and second circuit boards are both mounted to the other side of the detector mount.
The technical scheme has the beneficial effects that: the optical element mounting part, the first circuit board and the second circuit board are connected into a whole through the detector mounting part, so that the elements form a compact whole, and the size of the optical signal detection device is further reduced.
Optionally, the optical element mount, the detector mount, the first circuit board and the second circuit board are all plate-like structures parallel to each other.
The technical scheme has the beneficial effects that: this allows for a closer distance between the light element mount, the detector mount, the first circuit board and the second circuit board, increasing the compactness of the overall structure.
Optionally, the optical element mount and the detector mount are connected by a thermal insulation sheet.
The technical scheme has the beneficial effects that: this reduces the effect of heat generated by the electro-optic detection sensor on the detector mounting on the performance of the components on the optical element mounting.
Optionally, the temperature control system further comprises a cooling fin mounted between the detector mount and the heat sink.
The technical scheme has the beneficial effects that: through refrigeration piece temperature cycle, take away the heat that passes through the detector installed part transmission to the refrigeration piece with photoelectric detection sensor, dispel the heat to photoelectric detection sensor, make photoelectric detection sensor operation that can be more stable.
The technical scheme provided by the application can achieve the following beneficial effects:
the application provides an optical signal detection device installs in the installation through-hole of light component installed part through filtering piece and second lens, and then makes the shared space of light component installed part, filtering piece and second lens three only be the volume of light component installed part, and the structure is compact relatively, and shared space is less, and then can suitably reduce optical signal detection device's volume.
Additional features of the present application and advantages thereof will be set forth in the description which follows, or may be learned by practice of the present application.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings used in the description of the embodiments will be briefly described below. It should be apparent that the drawings in the following description are embodiments of the present application and that other drawings may be derived from those drawings by a person of ordinary skill in the art without inventive step.
Fig. 1 is a schematic perspective view of an optical signal detection apparatus according to an embodiment of the present application;
fig. 2 is a schematic front view of an optical signal detection apparatus according to an embodiment of the present disclosure;
FIG. 3 is a schematic cross-sectional view taken at A-A of FIG. 2;
fig. 4 is a schematic internal perspective view of an optical signal detection apparatus according to an embodiment of the present application;
fig. 5 is a schematic view illustrating an operation principle of the optical signal detection apparatus according to the embodiment of the present application, where MIRROR is a total reflection MIRROR.
Reference numerals:
1-a first circuit board; 2-a first heat-insulating shell;
3-a second heat-insulating shell; 4-dichroic mirror;
5-a dichroic mirror mount; 7-a filter;
8-a first lens; 9-a second fiber optic interface;
10-mounting a through hole; 11-a light element mount;
12-a second lens; 13-a detector mount;
14-a photodetection sensor; 16-a heat sink;
17-a structural member; 18-a third mounting portion;
19-a slide member; 21-a refrigerating sheet;
23-fixing the plate; 24-a second mounting portion;
25-a second circuit board; 26-heat insulation sheets;
28-a first mounting portion; 30-first fiber interface member.
Detailed Description
The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
As shown in fig. 1 to 4, one aspect of the present application provides an optical signal detection apparatus including an optical path system including an optical element mount 11 and an optical element unit, a mounting through-hole 10 being formed in the optical element mount 11;
the optical element unit comprises a filter 7 and a second lens 12, the filter 7 and the second lens 12 are mounted in the mounting through hole 10, the filter 7 and the second lens 12 are arranged in a first direction, and the first direction is the axial direction of the mounting through hole 10. The filter 7 is preferably an optical filter.
The optical signal detection device that this application embodiment provided, through installing filter 7 and second lens 12 in the installation through-hole 10 of light component installed part 11, and then make light component installed part 11, filter 7 and the volume that second lens 12 three shared only be light component installed part 11, the structure is compact relatively, and the shared space is less, and then can suitably reduce optical signal detection device's volume.
Optionally, the second lens 12 has a second lens end surface facing away from the filter 7, the filter 7 has a filter end surface facing away from the second lens 12, and a distance between the second lens end surface and the filter end surface is equal to an axial length of the mounting through hole 10. Therefore, the distance between the second lens 12 and the optical filter 7 can be selected according to the requirement of optical signal detection, the axial length of the installation through hole 10 is determined according to the distance, the corresponding thickness of the optical element installation piece 11 is determined according to the axial length of the installation through hole 10, and under the condition that the normal realization of the optical signal detection function is ensured, the thickness of the optical element installation piece 11 is relatively small, the occupied volume of the optical element installation piece 11 is reduced, and the occupied volume of the optical signal detection device is further reduced.
Alternatively, the light element unit has a dichroic mirror 4, the light element mounting member 11 includes a first mounting portion 28 and a second mounting portion 24 connected to each other, the mounting through-hole 10 is formed in the second mounting portion 24, the first mounting portion 28 protrudes from the second mounting portion 24 in the first direction, the dichroic mirror 4 is mounted to the first mounting portion 28, so that the dichroic mirror 4, the optical filter 7, and the second lens 12 are sequentially arranged in the first direction. By projecting the first mounting portion 28 in the first direction from the second mounting portion 24 and mounting the dichroic mirror 4 on the second mounting portion 24, an appropriate distance can be formed between the dichroic mirror 4 and the filter 7, thereby ensuring normal optical signal detection.
Optionally, the optical path system further includes an optical fiber interface installed on the optical element installation member 11, the first lens 8 is installed in the optical fiber interface, the optical element unit further includes a dichroic mirror installation member 5, the dichroic mirror 4 is installed on the dichroic mirror installation member 5, the dichroic mirror installation member 5 is movably connected to the first installation portion 28, so that the dichroic mirror installation member 5 can move in a second direction with respect to the first installation portion 28, the second direction is an arrangement direction of the optical fiber interface and the optical element unit, and the second direction is perpendicular to the first direction. This makes it possible to adjust the relative positions of the dichroic mirror 4 and the optical filter 7 and the fiber interface in the second direction as needed. The optical fiber structural member preferably adopts an SMA interface member; dichroic mirror mount 5 includes structural member 17 and slider member 19 connected to each other, and dichroic mirror 4 is mounted to structural member 17, slider member 19 is connected to the end surface of first mounting portion 28, and structural member 17 is connected to slider member 19 to form a structure like an L-shape, so that dichroic mirror 4 can be located in the L-shaped groove formed between first mounting portion 28 and second mounting portion 24. The number of the optical element units is at least two, the optical element units are sequentially arranged in the second direction, and the optical fiber emitted from the optical fiber interface member sequentially passes through the dichroic mirror 4 of each optical element unit.
Optionally, the optical element mounting member 11 further includes a third mounting portion 18, and the first mounting portion 28, the second mounting portion 24 and the third mounting portion 18 are sequentially connected in a third direction, so that the optical element mounting member 11 forms a concave structure, there are at least two optical element units, the dichroic mirror 4 of a part of the optical element units in each optical element unit is mounted on the first mounting portion 28, and another part of the optical element units is mounted on the third mounting portion 18;
the optical path system further includes a first optical fiber interface member 30 and a second optical fiber interface member 9 both mounted on the optical element mounting member 11, the first optical fiber interface member 30 and the second optical fiber interface member 9 being arranged in the third direction, the first lens 8 being mounted in each of the first optical fiber interface member 30 and the second optical fiber interface member 9;
the dichroic mirror 4 mounted on the first mounting portion 28 is configured to receive light emitted from the first optical fiber interface 30, and the dichroic mirror 4 mounted on the third mounting portion 18 is configured to receive light emitted from the second optical fiber interface 9;
the third direction is perpendicular to the first direction.
In this way, the optical fiber that transmits one set of color light is connected to the first optical fiber interface 30, and the dichroic mirror 4 attached to the first attachment portion 28 is irradiated with the light of the one set of color light, and the optical fiber that transmits the light of the other set of color light is connected to the second optical fiber interface 9, and the dichroic mirror 4 attached to the third attachment portion 18 is irradiated with the light transmitted from the second optical fiber interface 9.
In the embodiment of the application, the first direction, the second direction and the third direction are mutually vertical pairwise; the above-mentioned part of the optical element units may be only one optical element unit, and the other part of the optical element units may also be only one optical element unit.
In the embodiment of the present application, two rows of mounting through holes 10 are provided in the second mounting portion 24 along the second direction, there are a plurality of optical element units, each mounting through hole 10 corresponds to each optical element unit one by one, the dichroic mirrors 4 in each optical element unit corresponding to the first row of mounting through holes are all mounted on the first mounting portion 28, and the dichroic mirrors 4 in each optical element unit corresponding to the second row of mounting through holes are all mounted on the third mounting portion 18.
Optionally, the optical signal detection apparatus provided in the embodiment of the present application includes a circuit system, where the circuit system includes a photoelectric detection sensor 14, a first circuit board 1, and a second circuit board 25, and the photoelectric detection sensor 14 is mounted on both the first circuit board 1 and the second circuit board 25; in the embodiment of the present application, the first circuit board 1 may be a blue circuit board, and the second circuit board 25 may be a red circuit board.
The first circuit board 1 and the second circuit board 25 are connected to the optical component mounting member 11, so that the light emitted from the first optical fiber interface member 30 is emitted to the photodetection sensor 14 on the first circuit board 1 through the optical component unit connected to the first mounting portion 28, and the light emitted from the second optical fiber interface member 9 is emitted to the photodetection sensor 14 on the second circuit board 25 through the optical component unit connected to the second mounting portion 24. Thus, the detection of two groups of optical signals can be realized by one optical signal detection device.
Optionally, the optical signal detection apparatus provided in the embodiment of the present application further includes a detector mounting member 13 and a temperature control system, the temperature control system includes a heat sink 16, the detector mounting member 13 is mounted on the heat sink 16, and the photodetection sensor 14 is mounted on the detector mounting member 13, so that the photodetection sensor 14 is cooled by the heat sink 16.
Alternatively, the optical element mount 11 is mounted to one side of the detector mount 13 in the first direction, and the first circuit board 1 and the second circuit board 25 are both mounted to the other side of the detector mount 13. The optical element mounting part 11, the first circuit board 1 and the second circuit board 25 are connected into a whole through the detector mounting part 13, so that the elements form a compact whole, and the volume of the optical signal detection device is further reduced.
Optionally, the optical element mount 11, the detector mount 13, the first circuit board 1 and the second circuit board 25 are all plate-shaped structures parallel to each other. This allows for a closer distance between the light element mount 11, the detector mount 13, the first circuit board 1 and the second circuit board 25, increasing the compactness of the overall structure.
Optionally, the optical signal detection apparatus provided in this embodiment of the present application further includes a heat shield 26, and the optical element mounting 11 and the detector mounting 13 are connected through the heat shield 26;
the temperature control system further comprises a cooling plate 21, the cooling plate 21 being mounted between the detector mounting member 13 and the heat sink 16. Preferably, the detector mount 13 may be formed in an overall L-shaped configuration, with a portion of the detector mount 13 parallel to the optical element mount 11 and another portion perpendicular to the optical element mount 11, and with the cooling fins 21 located between the portion of the detector mount 13 perpendicular to the optical element mount 11 and the cooling fins 16. This reduces the effect of heat generated by the photodetection sensors 14 on the detector mount 13 on the performance of the components on the optical element mount 11. Through refrigeration piece 21 temperature cycle, take away photoelectric detection sensor 14 through the heat that detector installed part 13 transmitted to refrigeration piece 21, dispel the heat to photoelectric detection sensor 14, make photoelectric detection sensor 14 operation that can be more stable. In the embodiment of the present application, the refrigeration plate 21 is preferably a TEC refrigeration plate; the cooling plate 21 is preferably mounted between the detector mounting member 13 and the heat sink 16 by a fixing plate 23, the fixing plate 23 preferably being a sheet of polymeric material.
The first and second heat-insulating cases 2 and 3 are fixed to the outside of all the above-described elements except the heat sink 16 using screws to finally form the optical signal detection device.
As shown in fig. 5, the optical signal detection device provided in the embodiment of the present application operates on the principle that the main functions of the optical signal detection device are to split and convert fluorescence into an electrical signal. The fluorescence passes through the optical fiber, passes through the first lens 8, then enters the dichroic mirrors 4 with different wave bands, passes through different optical filters, divides the light source into different light beams, sequentially passes through the second lens 12 for focusing, reaches the photoelectric detection sensor 14, and is converted into an electric signal.
In order to better explain the optical signal detection device provided by the embodiments of the present application, the present application also provides an application example of the optical signal detection device. The optical signal detection device in the application example can receive the optical signal transmitted from the optical fiber, separate the optical signal into optical signals of various wave bands through optical elements such as collimation, light splitting, filtering and focusing, and transmit the optical signals to the photoelectric detection sensor.
The optical filtering and focusing elements and the photoelectric detection sensor are coaxially arranged in the axial direction, and the light splitting lens can move through a sliding plate structure (a sliding plate piece 19), so that signal light is transmitted to the optimal detection position of the photoelectric detection sensor, and then the light splitting lens (the dichroic mirror 4) is fixed.
The filtering, focusing and photoelectric detection devices are all installed at the I-shaped position (the part of the L-shaped structure for vertical setting) of the L-shaped benign heat conductor with good temperature conductivity, and the temperature controller is placed at the bottom of the L-shaped heat conductor (the part of the L-shaped structure for horizontal setting), so that the temperature of the L-shaped heat conductor can be controlled within a certain range, the constant temperature of the photoelectric detection sensor is ensured, and the stability of the output of a detection signal is ensured.
The detection device is also provided with a detection circuit board which processes the photoelectric detection output electric signal of the photoelectric detection sensor and outputs the electric signal through a signal line. Meanwhile, the photoelectric detection sensor also provides power supply, voltage bias and the like required by the photoelectric detection sensor.
The detection device is also provided with a radiator structure (radiating fins 16) which can discharge the heat of the temperature controller. I.e. to remove heat from the photo detection sensor.
The detection device is provided with two groups of detection channels at present, the detection channels respectively correspond to the detection outputs of the red laser and the blue laser, and can be increased to 3 groups or even 4 groups as required, and can also be reduced to 1 group as required.
The detection device integrates all devices such as an optical lens, an optical filter, a photoelectric detection sensor, a detection circuit board, a temperature controller and the like into a box through optimizing the structural design, simplifies the stable structure, is small and exquisite in size, greatly increases the stability of an optical detection system and reduces the size and the cost.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.

Claims (10)

1. An optical signal detection device characterized by comprising an optical path system including an optical element mounting member on which a mounting through-hole is formed and an optical element unit;
the optical element unit comprises a light filtering piece and a second lens, wherein the light filtering piece and the second lens are arranged in the mounting through hole, the light filtering piece and the second lens are arranged in a first direction, and the first direction is the axial direction of the mounting through hole.
2. The optical signal detection device of claim 1 wherein the second lens has a second lens end surface disposed away from the optical filter, the optical filter having an optical filter end surface disposed away from the second lens, the distance between the second lens end surface and the optical filter end surface being equal to the axial length of the mounting through-hole.
3. The optical signal detection device according to claim 1 or 2, wherein the optical element unit has a dichroic mirror, the optical element mounting member includes a first mounting portion and a second mounting portion connected to each other, the mounting through-hole is formed in the second mounting portion, the first mounting portion protrudes from the second mounting portion in the first direction, and the dichroic mirror is mounted to the first mounting portion so that the dichroic mirror, the optical filter, and the second lens are arranged in this order in the first direction.
4. The optical signal detection device according to claim 3, wherein the optical path system further includes an optical fiber interface mounted on the optical element mounting member, the optical fiber interface having a first lens mounted therein, the optical element unit further includes a dichroic mirror mounting member, the dichroic mirror being mounted on the dichroic mirror mounting member, the dichroic mirror mounting member being movably connected to the first mounting portion so that the dichroic mirror mounting member can be moved relative to the first mounting portion in a second direction, which is an arrangement direction of the optical fiber interface and the optical element unit, and the second direction being perpendicular to the first direction.
5. The optical signal detection device according to claim 3, wherein the optical component mounting member further includes a third mounting portion, and the first mounting portion, the second mounting portion, and the third mounting portion are sequentially connected in a third direction so that the optical component mounting member forms a recessed structure, the number of the optical component units is at least two, the dichroic mirror of a part of the optical component units in each optical component unit is mounted on the first mounting portion, and another part of the optical component units is mounted on the third mounting portion;
the optical path system further comprises a first optical fiber interface piece and a second optical fiber interface piece which are both arranged on the optical element installation piece, the first optical fiber interface piece and the second optical fiber interface piece are arranged in the third direction, and first lenses are both arranged in the first optical fiber interface piece and the second optical fiber interface piece;
the dichroic mirror mounted on the first mounting portion is configured to receive light emitted from the first optical fiber interface, and the dichroic mirror mounted on the third mounting portion is configured to receive light emitted from the second optical fiber interface;
the third direction is perpendicular to the first direction.
6. The optical signal detection device according to claim 5, comprising a circuit system including a photodetection sensor, a first circuit board, and a second circuit board, the photodetection sensor being mounted on each of the first circuit board and the second circuit board;
the first circuit board and the second circuit board are both connected with the optical element mounting part, so that light emitted from the first optical fiber interface part is emitted to the photoelectric detection sensor on the first circuit board through the optical element unit connected to the first mounting part, and light emitted from the second optical fiber interface part is emitted to the photoelectric detection sensor on the second circuit board through the optical element unit connected to the second mounting part.
7. An optical signal detection device as claimed in claim 6 further comprising a detector mount and a temperature control system, the temperature control system including a heat sink, the detector mount being mounted to the heat sink, the photodetecting sensor being mounted to the detector mount so as to dissipate heat from the photodetecting sensor through the heat sink.
8. The optical signal detection device of claim 7 wherein the optical element mount is mounted to one side of the detector mount in the first direction and the first and second circuit boards are mounted to the other side of the detector mount.
9. The optical signal detection device of claim 8 wherein the optical element mount, the detector mount, the first circuit board, and the second circuit board are each plate-like structures that are parallel to one another.
10. An optical signal detection device as claimed in claim 8 further comprising a thermal spacer, the optical element mount and the detector mount being connected by the thermal spacer;
the temperature control system further comprises a refrigeration piece, and the refrigeration piece is installed between the detector installation piece and the cooling fin.
CN202120684463.XU 2021-04-02 2021-04-02 Optical signal detection device Active CN214276965U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120684463.XU CN214276965U (en) 2021-04-02 2021-04-02 Optical signal detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120684463.XU CN214276965U (en) 2021-04-02 2021-04-02 Optical signal detection device

Publications (1)

Publication Number Publication Date
CN214276965U true CN214276965U (en) 2021-09-24

Family

ID=77799142

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120684463.XU Active CN214276965U (en) 2021-04-02 2021-04-02 Optical signal detection device

Country Status (1)

Country Link
CN (1) CN214276965U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114486691A (en) * 2022-02-16 2022-05-13 上海纬冉科技有限公司 Portable energy detection equipment and debugging device thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114486691A (en) * 2022-02-16 2022-05-13 上海纬冉科技有限公司 Portable energy detection equipment and debugging device thereof

Similar Documents

Publication Publication Date Title
EP1359462B1 (en) Projection display apparatus
TW201841433A (en) Pluggable module having cooling channel
CN114578637A (en) Projection device
CN214276965U (en) Optical signal detection device
CN110323672A (en) A kind of Bragg grating outside cavity gas laser module beam merging apparatus and close Shu Fangfa
CN108614385B (en) Light source module of laser television and laser projection television
JP7312979B2 (en) Laser transceiver module and its optical adjustment method, laser radar and automatic driving device
US11815698B2 (en) Laser combining apparatus and display device
CN102914835A (en) SFP (Small Form-Factor Pluggable) optical module
CN210605092U (en) Optical module
US20210333532A1 (en) A light source apparatus
CN108508554A (en) Light-receiving secondary module and optical module
CN218547061U (en) Optical module
CN217133428U (en) Wavelength division integrated CPO device
CN105024277A (en) Semiconductor laser and controller integrated miniature structure
CN218938560U (en) Compact type adjustable light power wavelength division multiplexer
CN113805290A (en) Optical module
CN218886310U (en) Light airborne coaxial holographic particle imager
CN217981245U (en) Terahertz spectrometer with replaceable modules
CN216671613U (en) DMD chip heat abstractor
CN220543164U (en) Optical module
JP3807239B2 (en) projector
CN219642069U (en) Lens module and shooting device
CN218213546U (en) TOSA optical device
CN216013742U (en) Optical module

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant