CN207717227U - A kind of pivoting scan-type imaging spectrometer system - Google Patents
A kind of pivoting scan-type imaging spectrometer system Download PDFInfo
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- CN207717227U CN207717227U CN201820020256.2U CN201820020256U CN207717227U CN 207717227 U CN207717227 U CN 207717227U CN 201820020256 U CN201820020256 U CN 201820020256U CN 207717227 U CN207717227 U CN 207717227U
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- imaging spectrometer
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Abstract
The utility model discloses a kind of pivoting scan-type imaging spectrometers.Three the utility model imaging spectrometer module, sensitive chip module and turntable module parts, wherein imaging spectrometer module carries out diffraction light splitting to the light that the line region on space object is sent out, sensitive chip module is used to shoot the diffracted ray of imaging spectrometer module, and turntable module realizes the line style rotation sweep of spatial image.In scanning process, the continuous spectrum picture for obtaining object.Each spectrum picture corresponds to the spectral image information for the light that the line region of space object some angle is sent out.After completing the pivoting of 180 degree, the spectral image information of one rounded face of body surface can get.
Description
Technical field
The utility model belongs to optical technical field, and in particular to a kind of pivoting scan-type imaging spectrometer system.
Background technology
Imaging spectrometer is the important optical instrument in scientific research, industrial production and medicine detection.Imaging spectrometer
There are a detection type, line detection type and face detection type.Point detection type relatively easy, imaging spectral high resolution with structure, but
It needs to obtain spectrum picture using the mode of point by point scanning, image taking speed is extremely slow.Line scan-type imaging spectrometer can be disposable
Then the spectral information for obtaining a line on space object reuses line scan mode, obtain spectrum figure.Compared to spot scan formula
Imaging spectrometer, line scanning imagery spectrometer architecture is relative complex, but imaging spectral resolution ratio and image taking speed are all preferable.Face
Scanning imagery spectrometer generally use micro ＆ nano technology processes small beam splitting system on sensitive chip, light spectrum image-forming speed compared with
Soon, but its processing method is complicated, and cost is higher, and imaging spectral resolution ratio is not high.In addition there is a kind of optical filter runner
Formula imaging spectrometer, but its spectral resolution is relatively low, system is cumbersome.
In conclusion line scan-type imaging spectrum system is a kind of imaging spectrometer with practical value.It is for this
System, it is current main using push broom scan method or relayed images scan method into line scan, to obtain spectrum picture.
Traditional scientific research industry, imaging spectrometer are arranged in laboratory and use, scan method of pushing broom or relayed images scan method
With very high application value.However, with the development of society, imaging spectrometer module constantly reduces, and had scholar
Begin one's study application of the imaging spectrometer in life.Under this development trend, miniaturization imaging spectrometer, which just becomes, to be ground
The hot spot studied carefully.Because pushing broom scan module and relayed images scan module, it is poorly suited for miniaturization imaging spectrometer
Use.
The utility model combines imaging spectrometer with turntable, and by turntable, imaging spectrometer can turn around its optical axis
Dynamic, the corresponding spectrum picture of synchronous recording in rotation process realizes a kind of pivoting scan-type imaging spectrometer.The spectrum
Instrument is without increasing complicated optical element, so that it may to obtain spectrum picture.
Invention content
The purpose of this utility model is in view of the deficiencies of the prior art, to provide a kind of pivoting scan-type imaging spectrometer
System is, it can be achieved that easily spectrum picture obtains.
Technical solution is as follows used by the utility model solves its technical problem：
The utility model includes three imaging spectrometer module, sensitive chip module and turntable module parts, wherein at
As the light progress diffraction light splitting that splitting module sends out the line region on space object, sensitive chip module is imaged for shooting
The diffracted ray of splitting module, turntable module realize the line style rotation sweep of spatial image.
The imaging spectrometer module is diffraction module in imaging spectrometer, by imaging lens, slit, lens group, light
Five kinds of wedge, grating optical elements.The light that one line region of space object is sent out images in slit after imaging lens
Place.After light passes through slit, by lens group, lens group collimates light, is then irradiated to wedge-grating-wedge module,
Diffraction light splitting is mainly realized in this module, and sensitive chip is finally imaged in by another lens group again.
The slit, is a metalwork by blackening process, and centre has rectangular opening, length can define
For width, width may be defined as height, and width/height is much larger than 1.
The slit is located at the position of focal plane of imaging lens.
The lens group is the optical lens with achromatism ability, the light for collimating slit outgoing, it is also possible to
It is focused at sensitive chip in by collimated light.
The lens group, for the light of collimating slit outgoing, front focal plane needs are overlapped with the position of slit.
The lens group, for collimated light to be focused on sensitive chip, back focal plane needs are overlapped with sensitive chip.
The wedge is a kind of optical prism, and there are two faces for the prism, and the normal and system normal in a face are horizontal,
The normal in another face and system normal be not horizontal.After light is by the prism, due to the refraction of light, incident ray can be realized
Deviation.
The grating is optical glass device, has a large amount of parallel scores, the light of different wave length to pass through grating on surface
Its angle of diffraction is different afterwards.
The grating, both sides are equipped with wedge, and the deviation of light may be implemented so that the exit direction of a diffracted ray
It is parallel with the normal direction of whole system.
The sensitive chip module is a kind of photoelectric signal conversion device of planar array type.
The rotating module is a kind of electronic rotation module, may make system on the rotary module around
The optical axis of optical system rotates.
The beneficial effects of the utility model.
By the structure setting of the utility model, a kind of imaging spectrometer system of pivoting scan-type may be implemented.
In scanning process, the continuous spectrum picture for obtaining object.Each spectrum picture corresponds to the line of some angle of space object
The spectral image information for the light that region is sent out.After completing the pivoting of 180 degree, one circle of body surface can get
The spectral image information in face.
Description of the drawings
Fig. 1 is a kind of 1 schematic diagram of imaging spectrometer system embodiment of pivoting scan-type.
Fig. 2 is a kind of 2 schematic diagram of imaging spectrometer system embodiment of pivoting scan-type.
Specific implementation mode
In order to enable the auditor especially public of Patent Office that the technical essence of the utility model is more clearly understood
And advantageous effect, applicant will elaborate by way of examples below, but be not pair to the description of embodiment
The limitation of the utility model, it is any according to only formal but not substantive made by the utility model design
Equivalent transformation is regarded as category of the technical solutions of the present invention.
Embodiment 1
Below in conjunction with the accompanying drawings 1 and embodiment 1 the utility model is described in further detail.
As shown in Figure 1, a kind of portable simple imaging spectrum system, including imaging spectrometer module 1, sensitive chip module
2 and 3 three parts of turntable module, wherein imaging spectrometer module 1 carries out the light that the line region on space object is sent out
Diffraction is divided, and sensitive chip module 3 is used to shoot the diffracted ray of imaging spectrometer module, pivoting platform module 3 for realizing
The line style pivoting of spatial image scans.
Imaging spectrometer module 1 is by imaging lens 4, slit 5, lens group 6-1, wedge 7-1, grating 8, wedge 7-2 and lens
Group five kinds of seven optical elements of 6-2 and optics fixing piece composition；The image of object images in slit 5 after imaging lens 4
Position.Image planes light is collimated after slit by lens group 6-1, passes through wedge 7-1+ gratings+wedge 7-2 modules successively, then by saturating
Microscope group 6-2 is focused at sensitive chip module 2.
The slit 5 is a metalwork by blackening process, and centre has rectangular opening, length that can determine
Justice is wide, and width may be defined as height, and wide/height is much larger than 1.
The slit 5 is located at the position of focal plane of imaging lens.
The lens group 6-1 is the optical lens with achromatism ability, the light for collimating slit outgoing.
The lens group 6-1, for the light of collimating slit outgoing, front focal plane needs are overlapped with the position of slit.
The lens group 6-2, is the optical lens with achromatism ability, can be used for collimated light focusing on photosensitive core
At piece.
The lens group 6-2, for collimated light to be focused on sensitive chip, back focal plane needs and sensitive chip weight
It closes.
The wedge 7-1 and wedge 7-2, is a kind of optical prism, the prism there are two face, the normal of horizontal plane be
Normal of uniting is horizontal, and the normal and system normal on inclined-plane be not horizontal.After light is by the prism, due to the refraction of light, it can realize
The deviation of incident ray.
The wedge 7-1 and wedge 7-2, horizontal plane are adjacent with the face of the left and right of grating 8 two respectively.
The grating 8, is optical glass device, has a large amount of parallel scores, the light of different wave length to pass through light on surface
Its angle of diffraction is different after grid.
The grating 8, both sides are equipped with wedge 7-1 and wedge 7-2, and the deviation of light may be implemented so that a diffraction
The exit direction of light is parallel with the normal direction of whole system.
The sensitive chip module 2 is a kind of photoelectric signal conversion device of planar array type.Imaging spectrometer module 1 with it is photosensitive
Chip module 2 is directly combined, and imaging spectrometer module emergent ray is direct imaging at sensitive chip module.
The turntable module 3 is a kind of electronic rotation module, intermediate trepanning.Imaging spectrometer module and sensitive chip
After module completes assembling, it is mounted on pivoting platform module.The rotation of pivoting platform module, has driven imaging spectrometer module
With the rotation of sensitive chip module, pivoting scanning is realized.The data line of imaging spectrometer module and sensitive chip module with
And power cord passes through from the intermediate trepanning of rotary module.
Embodiment 2
Below in conjunction with the accompanying drawings 2 and embodiment 2 the utility model is described in further detail.
As shown in Fig. 2, a kind of portable simple imaging spectrum system, including imaging spectrometer module 1, sensitive chip module
2 and 3 three parts of turntable module, wherein imaging spectrometer module 1 carries out the light that the line region on space object is sent out
Diffraction is divided, and sensitive chip module 2 is used to shoot the diffracted ray of imaging spectrometer module, and pivoting platform module 3 is for rotating
Imaging spectrometer module realizes the line style pivoting scanning of spatial image.
Imaging spectrometer module 1 is by imaging lens 4, slit 5, lens group 6-1, wedge 7-1, grating 8, wedge 7-2 and lens
Group five kinds of seven optical elements of 6-2 and optics fixing piece composition；The image of object images in slit 5 after imaging lens 4
Position.Image planes light is collimated after slit by lens group 6-1, passes through wedge 7-1+ gratings+wedge 7-2 modules successively, then by saturating
Microscope group 6-2 is focused at sensitive chip module 2.
The slit 5 is a metalwork by blackening process, and centre has rectangular opening, length that can determine
Justice is wide, and width may be defined as height, and wide/height is much larger than 1.
The slit 5 is located at the position of focal plane of imaging lens.
The lens group 6-1 is the optical lens with achromatism ability, the light for collimating slit outgoing.
The lens group 6-1, for the light of collimating slit outgoing, front focal plane needs are overlapped with the position of slit.
The lens group 6-2, is the optical lens with achromatism ability, can be used for collimated light focusing on photosensitive core
At piece.
The lens group 6-2, for collimated light to be focused on sensitive chip, back focal plane needs and sensitive chip weight
It closes.
The wedge 7-1 and wedge 7-2, is a kind of optical prism, the prism there are two face, the normal of horizontal plane be
Normal of uniting is horizontal, and the normal and system normal on inclined-plane be not horizontal.After light is by the prism, due to the refraction of light, it can realize
The deviation of incident ray.
The wedge 7-1 and wedge 7-2, horizontal plane are adjacent with the face of the left and right of grating 8 two respectively.
The grating 8, is optical glass device, has a large amount of parallel scores, the light of different wave length to pass through light on surface
Its angle of diffraction is different after grid.
The grating 8, both sides are equipped with wedge 7-1 and wedge 7-2, and the deviation of light may be implemented so that a diffraction
The exit direction of light is parallel with the normal direction of whole system.
The sensitive chip module 2 is a kind of photoelectric signal conversion device of planar array type.
The rotating module 3 is a kind of electronic pivoting module, intermediate trepanning.Imaging spectrometer module is first mounted on
On the pivoting platform of pivoting platform module upper surface, sensitive chip module is installed on the lower surface of pivoting platform module
On fixed station.Upper surface pivoting platform can be with pivoting in scanning process, and lower surface fixed station will not rotate.Imaging
The light of splitting module outgoing images in after the intermediate trepanning for platform module of walking around on sensitive chip.In scanning process,
Imaging spectrometer module is converted along system normal direction, and pivoting will not occur for sensitive chip.After the end of scan, spectrogram
As that can rotate, classical digital image processing method can be utilized, spectrum picture rotational angle is extracted.
Claims (12)
1. a kind of pivoting scan-type imaging spectrometer, it is characterised in that including imaging spectrometer module, sensitive chip module with
And three parts of turntable module, wherein imaging spectrometer module carry out diffraction point to the light that the line region on space object is sent out
Light, sensitive chip module are used to shoot the diffracted ray of imaging spectrometer module, and turntable module realizes the line style rotation of spatial image
Turn scanning.
2. a kind of pivoting scan-type imaging spectrometer according to claim 1, it is characterised in that the imaging point
Optical mode group is diffraction module in imaging spectrometer, by five kinds of imaging lens, slit, lens group, wedge, grating optical elements.
3. a kind of pivoting scan-type imaging spectrometer according to claim 1, it is characterised in that the sensitive chip
Module is a kind of photoelectric signal conversion device of planar array type.
4. a kind of pivoting scan-type imaging spectrometer according to claim 1, is a kind of electronic rotation module, can make
The system being mounted on the rotary module is obtained to rotate around the optical axis of optical system.
5. a kind of pivoting scan-type imaging spectrometer according to claim 2, it is characterised in that the slit is
One metalwork by blackening process, centre have rectangular opening, length to may be defined as width, and width can define
It is much larger than 1 for height, width/height.
6. a kind of pivoting scan-type imaging spectrometer according to claim 2, it is characterised in that the slit, position
In the position of focal plane of imaging lens.
7. a kind of pivoting scan-type imaging spectrometer according to claim 2, it is characterised in that the lens group,
It is the optical lens with achromatism ability, the light for collimating slit outgoing, it can also be used to focus on collimated light photosensitive
At chip.
8. a kind of pivoting scan-type imaging spectrometer according to claim 2, it is characterised in that the lens group,
For the light of collimating slit outgoing, front focal plane needs are overlapped with the position of slit.
9. a kind of pivoting scan-type imaging spectrometer according to claim 2, it is characterised in that the lens group,
For collimated light to be focused on sensitive chip, back focal plane needs are overlapped with sensitive chip.
10. a kind of pivoting scan-type imaging spectrometer according to claim 2, it is characterised in that the wedge,
It is a kind of optical prism, there are two faces for the prism, and the normal and system normal in a face are horizontal, the normal and system in another face
Normal is not horizontal.
11. a kind of pivoting scan-type imaging spectrometer according to claim 2, it is characterised in that the grating,
It is optical glass device, there are an a large amount of parallel scores on surface, the light of different wave length its angle of diffraction after grating is different.
12. a kind of pivoting scan-type imaging spectrometer according to claim 2, it is characterised in that the grating,
Both sides are equipped with wedge, and the deviation of light may be implemented so that the normal side of the exit direction and whole system of a diffracted ray
To parallel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820020256.2U CN207717227U (en) | 2018-01-06 | 2018-01-06 | A kind of pivoting scan-type imaging spectrometer system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820020256.2U CN207717227U (en) | 2018-01-06 | 2018-01-06 | A kind of pivoting scan-type imaging spectrometer system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110031967A (en) * | 2019-05-18 | 2019-07-19 | 深圳市麓邦技术有限公司 | Optical mirror slip group, optical beam scanner and its beam scanning method |
| CN111272282A (en) * | 2020-01-19 | 2020-06-12 | 浙江大学 | Rotary spectral imaging-polarization measurement system |
| CN111829961A (en) * | 2019-04-18 | 2020-10-27 | 苏州优函信息科技有限公司 | Food quality detection method and system based on portable imaging spectrometer |
| CN112033540A (en) * | 2020-08-23 | 2020-12-04 | 浙江大学 | Low-cost rotating sweep type hyperspectral imaging system |
-
2018
- 2018-01-06 CN CN201820020256.2U patent/CN207717227U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111829961A (en) * | 2019-04-18 | 2020-10-27 | 苏州优函信息科技有限公司 | Food quality detection method and system based on portable imaging spectrometer |
| CN110031967A (en) * | 2019-05-18 | 2019-07-19 | 深圳市麓邦技术有限公司 | Optical mirror slip group, optical beam scanner and its beam scanning method |
| CN111272282A (en) * | 2020-01-19 | 2020-06-12 | 浙江大学 | Rotary spectral imaging-polarization measurement system |
| CN112033540A (en) * | 2020-08-23 | 2020-12-04 | 浙江大学 | Low-cost rotating sweep type hyperspectral imaging system |
| CN112033540B (en) * | 2020-08-23 | 2024-05-14 | 浙江大学 | Low-cost rotary swing-scanning hyperspectral imaging system |
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