CN214122005U - Confocal imaging system of ultraviolet Raman spectrometer - Google Patents
Confocal imaging system of ultraviolet Raman spectrometer Download PDFInfo
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- CN214122005U CN214122005U CN202023214106.1U CN202023214106U CN214122005U CN 214122005 U CN214122005 U CN 214122005U CN 202023214106 U CN202023214106 U CN 202023214106U CN 214122005 U CN214122005 U CN 214122005U
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Abstract
The utility model discloses a confocal imaging system of ultraviolet raman spectroscopy appearance. The confocal imaging system comprises an LED light source, an imaging system, a Raman spectrometer, an objective table and a reflector, wherein the reflector is in transmission connection with a driving mechanism and can move between a first station and a second station under the driving of the driving mechanism; when the reflector is positioned at the first station, incident light emitted by the LED light source can reach a sample on the objective table, and meanwhile, a laser light source of the Raman spectrometer cannot enter the objective lens group; when the reflector is positioned at the second station, the incident light emitted by the LED light source is blocked by the reflector, and the laser light source of the Raman spectrometer enters the objective lens group through the reflector. The embodiment of the utility model provides a confocal imaging system of ultraviolet raman spectrum appearance for the instrument is with ultraviolet raman spectrum appearance and imaging system do the integration, and can carry out the naked eye observation when imaging to the sample.
Description
Technical Field
The utility model relates to a confocal imaging system, in particular to confocal imaging system of ultraviolet raman spectrum appearance belongs to optical imaging technical field.
Background
Currently, raman spectroscopy is widely used in many fields. The raman spectrum is a spectrum obtained by scattering light with a frequency different from that of incident light when a beam of light is incident on a sample, and the raman spectrum is analyzed to obtain information such as material structure, components, defects, surface components and the like.
With the increasing demand of researching sample substances, the imaging system is combined with a Raman spectroscopy instrument, and the confocal imaging system enables the instrument to perform imaging observation on the microscopic morphology of a sample while testing Raman spectroscopy. The imaging system of the confocal raman spectrometer is generally an external independent halogen lamp connected to an observation system through an optical fiber, few instruments can use an LED light source, when a nano-scale sample is researched, a target sample needs to be found in the imaging system and placed at the focal point of an objective lens for testing, video imaging is difficult to find the target sample quickly and accurately under the influence of the resolution and the visual field of a camera, in the process of testing the sample in an experiment, an industrial camera cannot quickly and accurately display the microscopic form of the surface of the sample, in the general experiment, the sample needs to be placed under a microscope to observe the overall characteristics of the sample, and then the sample is placed in the testing instrument for testing, so that a lot of labor cost is increased, when a large number of samples need to be detected, the defect is amplified infinitely, and the experiment difficulty is increased undoubtedly.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a confocal imaging system of an ultraviolet raman spectrometer to overcome the disadvantages of the prior art.
For realizing the purpose of the utility model, the utility model discloses a technical scheme include:
the embodiment of the utility model provides a confocal imaging system of ultraviolet raman spectrometer, including LED light source, imaging system, raman spectrometer, objective table and speculum, imaging system and raman spectrometer set up as an organic whole and imaging system and raman spectrometer confocal setting, the speculum is connected with a actuating mechanism transmission, and can move about in first station and second station under actuating mechanism's the driving;
when the reflector is positioned at the first station, incident light emitted by the LED light source reaches a sample on the objective table after passing through the spectroscope, and meanwhile, a laser light source of the Raman spectrometer irradiates on the extinction element and cannot enter the objective lens group; when the reflector is positioned at the second station, the incident light emitted by the LED light source is blocked by the reflector, and the laser light source of the Raman spectrometer enters the objective lens group through the reflector.
Compared with the prior art, the utility model has the advantages that:
1) the embodiment of the utility model provides a confocal imaging system of ultraviolet raman spectrometer combines imaging system and ultraviolet raman spectrometer as an organic whole, adopts the collimation light path to make the light of LED light source can satisfy the imaging requirement of system, need not additionally to set up external light source, thus has reduced the volume and the cost of instrument;
2) the embodiment of the utility model provides a pair of confocal imaging system of ultraviolet raman spectroscopy appearance has increased the beam split eyepiece on imaging system for the instrument is in the formation of image, and the experimenter can carry out the human eye to the sample simultaneously and observe, need not reuse microscope observation, has reduced the human cost, facilitates for the experimenter.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a confocal imaging system of an ultraviolet raman spectrometer according to an exemplary embodiment of the present invention;
fig. 2 is a schematic diagram of an optical structure of a confocal imaging system of an ultraviolet raman spectrometer according to an exemplary embodiment of the present invention.
Detailed Description
In view of the deficiencies in the prior art, the inventor of the present invention has made extensive studies and practices to provide the technical solution of the present invention. The technical solution, its implementation and principles, etc. will be further explained as follows.
The embodiment of the utility model provides a pair of confocal imaging system of ultraviolet raman spectrum appearance mainly combines imaging system and raman spectrum appearance to the state of current confocal raman spectrum appearance imaging system and spectrum appearance separation to overcome the problem that imaging system can not observe, make the instrument can carry out the people's eye observation in the formation of image.
The embodiment of the utility model provides a pair of confocal imaging system of ultraviolet raman spectrum appearance for the instrument does the integration with ultraviolet raman spectrum appearance and imaging system, and can carry out the naked eye observation when imaging to the sample.
The embodiment of the utility model provides a pair of confocal imaging system of ultraviolet raman spectroscopy, mainly include two parts:
the first part realizes the confocal of an imaging system and an ultraviolet Raman spectrometer: the imaging system and the ultraviolet Raman spectrometer share the objective lens group part, the reflecting mirror is connected with the driving mechanism, and the position of the reflecting mirror is controlled by the driving mechanism; when the instrument uses an ultraviolet Raman spectrometer, the reflecting mirror is adjusted to be above the objective lens group, and ultraviolet laser irradiates on a sample of the objective table through the reflecting mirror and the objective lens group; when the instrument uses an imaging system, the driving mechanism adjusts the reflecting mirror to enable the reflecting mirror to leave the position above the objective lens group, and a light source of the imaging system can reach a sample on the objective table through the objective lens group;
the second part realizes video imaging and can be observed by human eyes at the same time: the embodiment of the utility model provides an imaging system among ultraviolet raman spectroscopy's confocal imaging system includes: the device comprises an LED light source, a collimating lens, a diaphragm, a beam splitter, an extinction element, a beam splitting eyepiece, a focusing lens group, an industrial camera, an objective lens group and an objective table, wherein light emitted by the LED light source is collimated by the collimating lens and enters the system through the diaphragm, the light entering the system is divided into two parts through the beam splitter, transmitted light irradiates the extinction element for extinction, reflected light irradiates a sample on the objective table through the objective lens group, reflected light of the sample is divided into two parts through the objective lens group by the beam splitter, reflected light irradiates the extinction element for extinction, transmitted light is split again through the beam splitting eyepiece and is used for human eye observation, and transmitted light reaches the photosensitive surface of the industrial camera for imaging through the focusing lens group.
The embodiment of the utility model provides a confocal imaging system of ultraviolet raman spectrometer, including LED light source, imaging system, raman spectrometer, objective table and speculum, imaging system and raman spectrometer set up as an organic whole and imaging system and raman spectrometer confocal setting, the speculum is connected with a actuating mechanism transmission, and can move about in first station and second station under actuating mechanism's the driving;
when the reflector is positioned at the first station, incident light emitted by the LED light source reaches a sample on the objective table after passing through the spectroscope, and meanwhile, a laser light source of the Raman spectrometer irradiates on the extinction element and cannot enter the objective lens group; when the reflector is positioned at the second station, the incident light emitted by the LED light source is blocked by the reflector, and the laser light source of the Raman spectrometer enters the objective lens group through the reflector.
Further, imaging system includes image acquisition mechanism, focusing mirror group, beam splitting eyepiece, spectroscope, extinction component and objective lens group, wherein, extinction component sets up one side of spectroscope, objective lens group sets up in the objective table top, the speculum is located between spectroscope and the objective lens group.
Further, raman spectrometer and speculum are encapsulated in a casing, image acquisition mechanism, focusing mirror group, beam splitting eyepiece, spectroscope, extinction component set up the casing top, objective lens group sets up the casing below.
Furthermore, a guide rail is arranged in the shell, the reflector is movably arranged on the guide rail, and the reflector can move along the guide rail under the driving of the driving mechanism to move between a first station and a second station.
Further, the mirror includes an ultraviolet mirror.
Furthermore, a collimating lens and a diaphragm are sequentially arranged between the LED light source and the spectroscope, the extinction element is arranged on one side of the spectroscope, which is back to the LED light source, and incident light emitted by the LED light source sequentially passes through the collimating lens and the diaphragm and then reaches the imaging system.
Furthermore, the LED light source, the collimating mirror, the diaphragm, the spectroscope and the extinction element are coaxially arranged.
Furthermore, the image acquisition mechanism, the focusing lens group, the beam splitter eyepiece, the spectroscope and the objective lens group are coaxially arranged.
Furthermore, the image acquisition mechanism is also connected with a display screen, wherein the image acquisition mechanism comprises an industrial camera.
Further, the confocal imaging system of the ultraviolet Raman spectrometer further comprises a mounting rack, and the imaging system, the Raman spectrometer and the objective table are arranged on the mounting rack.
As will be described in further detail with reference to the accompanying drawings, if not specifically mentioned, the various optical elements and raman spectrometers in the confocal imaging system of the ultraviolet raman spectrometer provided by the embodiments of the present invention may be implemented by using elements and instruments known to those skilled in the art, which are commercially available.
Referring to fig. 1 and fig. 2, a confocal imaging system of an ultraviolet raman spectrometer provided in an embodiment of the present invention includes an image acquisition mechanism 1, a focusing lens set 2, a beam splitter eyepiece 3, a beam splitter 4, an extinction element 5, an LED light source 6, a collimating mirror 7, a diaphragm 8, a reflecting mirror 9, a driving mechanism 10, an objective lens set 11, an objective table 12, and a raman spectrometer 13, wherein the image acquisition mechanism 1, the focusing lens set 2, the beam splitter eyepiece 3, the beam splitter 4, the extinction element 5, and the objective lens set 6 constitute an imaging system, the LED light source 6, the collimating mirror 7, the diaphragm 8, the beam splitter 4, and the extinction element 5 are coaxially disposed, the image acquisition mechanism 1, the focusing lens set 2, the beam splitter eyepiece 3, the beam splitter 4, and the objective lens set 11 are coaxially disposed, the reflecting mirror 9 is located above the objective lens set 11, and the reflecting mirror 9 is in transmission connection with the driving mechanism 10, the device can move between a first station and a second station under the driving of the driving mechanism 10;
when the reflector 9 is located at the first station, the incident light emitted by the LED light source 6 passes through the spectroscope 4 and then reaches the sample on the objective table, and the laser light source of the raman spectrometer 13 irradiates the inner wall of the extinction element and cannot enter the objective lens group 11; when the reflector 9 is located at the second station, the incident light emitted from the LED light source 6 is blocked by the reflector 9, and the laser light source of the raman spectrometer 13 enters the objective lens group 11 through the reflector.
Specifically, the collimating mirror 7 and the diaphragm 8 are sequentially arranged between the LED light source 6 and the spectroscope 4, the extinction element 5 is arranged on one side of the spectroscope 4, which is back to the LED light source 6, and incident light emitted by the LED light source 6 sequentially passes through the collimating mirror 7 and the diaphragm 8 and then reaches the imaging system.
Specifically, the raman spectrometer 13 and the reflecting mirror 9 are enclosed in a casing, the image collecting mechanism 1, the focusing lens group 2, the beam splitter eyepiece 3, the spectroscope 4 and the extinction element 5 are arranged above the casing, the objective lens group 11 is arranged below the casing, a guide rail is arranged in the casing, the reflecting mirror 9 is movably arranged on the guide rail, the reflecting mirror can move along the guide rail under the driving of the driving mechanism and move at a first station and a second station, wherein the driving mechanism 10 can be a stepping motor or the like, and the reflecting mirror 9 comprises an ultraviolet reflecting mirror.
Specifically, image acquisition mechanism 1 still is connected with the display screen, wherein, image acquisition mechanism 1 includes the industry camera, the confocal imaging system of ultraviolet raman spectrometer still includes the mounting bracket, imaging system, raman spectroscopy instrument 13, objective table 12 set up on the mounting bracket.
Specifically, when the confocal imaging system of the ultraviolet raman spectrometer provided by the embodiment of the present invention is in use, the reflecting mirror 9 is connected to the driving mechanism 10 and controls the switching between the imaging system and the raman spectrometer 13; when the Raman spectrometer 13 is used, the reflecting mirror 9 moves above the objective lens group 11 under the control of the driving mechanism 10, the Raman light source enters the objective lens group 11 through the reflecting mirror 9 to reach a sample on the objective table 12, and meanwhile Raman scattered light also enters the Raman spectrometer 13 through the reflecting mirror 9; when the imaging system is used, the reflecting mirror 9 is moved away from above the objective lens group 11 under the control of the driving mechanism 10, and the light from the imaging system is split by the beam splitter 4 and irradiated onto the sample on the stage 12 through the objective lens group 11.
As shown in fig. 2, when the imaging system is used, the LED light source 6 is used as a light emitting source of the imaging system, a collimating mirror 7 is disposed behind the LED light source 6, and can collimate the LED light emitted by the light source, and a diaphragm 8 is disposed behind the collimating mirror 7, so that the intensity of the light entering the imaging system can be adjusted; the light emitted by the LED light source 6 is divided into two parts after passing through the spectroscope 4, the transmission part of the light is irradiated on the extinction element 5 for extinction, and the reflected light is irradiated on a sample of the objective table 12 through the objective lens group 11; the reflected light of the sample is divided into two parts again after passing through the objective lens group 11 to the spectroscope 4, the reflected light irradiates on the extinction element 5 for extinction, the transmitted light is divided again through the light-dividing ocular lens 3, the reflected light can be used for human eye observation, the transmitted light is imaged on the image acquisition mechanism 1 through the focusing lens group 2, and the image acquisition mechanism transmits the irradiated light signal to a computer through a data line for recording.
The embodiment of the utility model provides a confocal imaging system of ultraviolet raman spectrometer combines imaging system and ultraviolet raman spectrometer as an organic whole, adopts the collimation light path to make the light of LED light source can satisfy the imaging requirement of system, need not additionally to set up external light source, thus has reduced the volume and the cost of instrument; and simultaneously, the embodiment of the utility model provides a pair of confocal imaging system of ultraviolet raman spectroscopy has increased the beam split eyepiece on imaging system for when the instrument was being imaged, the experimenter can carry out the people's eye to the sample simultaneously and observe, need not to reuse microscope observation, has reduced the human cost, facilitates for the experimenter.
It should be understood that the above-mentioned embodiments are merely illustrative of the technical concepts and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, and therefore, the protection scope of the present invention should not be limited thereby. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (10)
1. A confocal imaging system of an ultraviolet Raman spectrometer is characterized by comprising an LED light source, an imaging system, the Raman spectrometer, an object stage and a reflector, wherein the imaging system and the Raman spectrometer are arranged into a whole and are arranged in a confocal manner, the reflector is in transmission connection with a driving mechanism and can move between a first station and a second station under the driving of the driving mechanism;
when the reflector is positioned at the first station, incident light emitted by the LED light source reaches a sample on the objective table after passing through the spectroscope, and meanwhile, a laser light source of the Raman spectrometer irradiates on the extinction element and cannot enter the objective lens group; when the reflector is positioned at the second station, the incident light emitted by the LED light source is blocked by the reflector, and the laser light source of the Raman spectrometer enters the objective lens group through the reflector.
2. The confocal imaging system of the ultraviolet raman spectrometer of claim 1, wherein: imaging system includes image acquisition mechanism (1), focusing mirror group (2), beam splitting eyepiece (3), spectroscope (4), extinction component (5) and objective lens group (11), wherein, extinction component (5) set up one side of spectroscope (4), objective lens group (11) set up in objective table (12) top, speculum (9) are located between spectroscope (4) and objective lens group (11).
3. The confocal imaging system of the ultraviolet raman spectrometer of claim 2, wherein: the Raman spectrometer (13) and the reflecting mirror (9) are packaged in a shell, the image acquisition mechanism (1), the focusing lens group (2), the beam splitter eyepiece (3), the beam splitter (4) and the extinction element (5) are arranged above the shell, and the objective lens group (11) is arranged below the shell.
4. The confocal imaging system of the ultraviolet raman spectrometer of claim 3, wherein: the shell is internally provided with a guide rail, the reflector (9) is movably arranged on the guide rail, and the reflector (9) can move along the guide rail under the driving of the driving mechanism (10) to move at a first station and a second station.
5. The confocal imaging system of the ultraviolet raman spectrometer of claim 4, wherein: the reflector (9) comprises an ultraviolet reflector.
6. The confocal imaging system of the ultraviolet raman spectrometer of claim 2, wherein: still set gradually collimating mirror (7), diaphragm (8) between LED light source (6) and spectroscope (4), extinction component (5) set up spectroscope (4) are back to one side of LED light source (6), the incident light that LED light source (6) sent loops through collimating mirror (7), diaphragm (8) back reachs imaging system.
7. The confocal imaging system of the ultraviolet raman spectrometer of claim 6, wherein: the LED light source (6), the collimating mirror (7), the diaphragm (8), the spectroscope (4) and the extinction element (5) are coaxially arranged.
8. The confocal imaging system of the ultraviolet raman spectrometer of claim 6, wherein: the image acquisition mechanism (1), the focusing lens group (2), the beam splitting eyepiece (3), the spectroscope (4) and the objective lens group (11) are coaxially arranged.
9. The confocal imaging system of the ultraviolet raman spectrometer of claim 6, wherein: the image acquisition mechanism (1) is further connected with a display screen, wherein the image acquisition mechanism (1) comprises an industrial camera.
10. The confocal imaging system of the ultraviolet raman spectrometer of claim 1, further comprising a mounting frame on which the imaging system, the raman spectrometer (13), and the stage (12) are disposed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023214106.1U CN214122005U (en) | 2020-12-28 | 2020-12-28 | Confocal imaging system of ultraviolet Raman spectrometer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023214106.1U CN214122005U (en) | 2020-12-28 | 2020-12-28 | Confocal imaging system of ultraviolet Raman spectrometer |
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| CN214122005U true CN214122005U (en) | 2021-09-03 |
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