CN103323117B - Mobile broadband Fourier transform infrared imaging spectrometer - Google Patents
Mobile broadband Fourier transform infrared imaging spectrometer Download PDFInfo
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- CN103323117B CN103323117B CN201310208912.3A CN201310208912A CN103323117B CN 103323117 B CN103323117 B CN 103323117B CN 201310208912 A CN201310208912 A CN 201310208912A CN 103323117 B CN103323117 B CN 103323117B
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Abstract
A mobile broadband Fourier transform infrared imaging spectrometer comprises a Michelson interferometer, an infrared optical telescoping system, a built-in cold source, a collimating lens, a two-side focusing lens, a medium wave surface array infrared detector, a long wave surface array infrared detector and a system circuit module. The Michelson interferometer comprises two rigid swing arms, a fixed rotating shaft, two three-dimensional corner cube mirrors and a spectroscope, a first input port and a first output port are arranged in front of one three-dimensional corner cube mirror, and a second input port and a second output port are arranged in front of the other three-dimensional corner cube mirror. The optical axis of the infrared optical telescoping system and the optical axis of the first input port are collinear; the built-in cold source and the collimating lens are arranged coaxially in sequence, the optical axis of the built-in cold source and the collimating lens and the optical axis of the first output port are collinear; one focusing lens and the medium wave surface array infrared detector are arranged coaxially in sequence, the optical axis of the focusing lens and the medium wave surface array infrared detector are collinear; the other focusing lens and the medium wave surface array infrared detector are arranged coaxially in sequence, and the optical axis of the focusing lens and the medium wave surface array infrared detector are collinear.
Description
Technical field
The present invention relates to Infrared Imaging Spectrometer, refer to particularly a kind of can at medium-wave infrared and LONG WAVE INFRARED two wave bands to the portable broadband Fourier transform infrared imaging spectrometer of realization of goal high precision Hyper spectral Imaging.
Background technology
Since eighties of last century First eighties imaging spectrometer is born, Infrared Imaging Spectrometer all has a great development in technology and application etc.The characteristic that Infrared Imaging Spectrometer has " collection of illustrative plates unification ", namely combines traditional spectrometer and the feature of photoelectric imaging technology, can provide two-dimensional image spatial information and high-resolution spectral information simultaneously, realize the detection to target scene and depth analysis.It has comprehensive imaging analysis ability, higher spectral resolution and good platform compatibility, and all have a wide range of applications in fields such as environmental monitoring, public safety, non-destructive monitoring, national defence researchs value.
The light splitting technology that Infrared Imaging Spectrometer adopts directly affects its performance, the complexity of structure, weight and volume.Current investigation and application comparatively widely Infrared Imaging Spectrometer is mainly divided into color dispersion-type and the large class of interfere type two.The spectral resolution of color dispersion-type spectrometer and the width of entrance slit are inversely proportional to, and therefore, obtain higher spectral resolution, constantly will reduce the width of slit, to such an extent as to luminous flux are very little, cause the sensitivity decrease of system.Interference type imaging spectrometer has compared with color dispersion-type spectrometer that operating spectral range is wide, highly sensitive, spectral resolution high, therefore usually selects interference type imaging spectrometer.Wherein, the interference type imaging spectrometer based on Michelson interferometer is simply widely used due to structural design.But the Michelson interferometer in existing Infrared Imaging Spectrometer needs high-precision scanning reflection mirror, inclination during scanning mirror and the traversing precision that all can have a strong impact on Michelson interferometer, and then cause the precision of Infrared Imaging Spectrometer to reduce.People have carried out various improvement to Michelson interferometer, to improve the scanning accuracy of its index glass, such as Authorization Notice No. be the Chinese invention patent " Fourier infrared spectrograph movinglens scanning device " of CN 100383597C propose a kind of volume based on Michelson interferometer little, control simple movinglens scanning device.But this device is when rocking, and still there is the coarse defect of scanning, therefore suitable environment is limited.In addition, current Infrared Imaging Spectrometer imaging band is narrower, can not the spectral information of the detection of a target comprehensively, makes it apply limited, and Infrared Imaging Spectrometer also can be subject to the impact of background radiation on target imaging, causes the reduction of target optical spectrum detection accuracy.
Summary of the invention
Technical matters to be solved by this invention is just to provide a kind of portable broadband Fourier transform infrared imaging spectrometer, Michelson interferometer index glass can be avoided to tilt or the traversing interference error brought, Infrared Imaging Spectrometer is made to go in various movement environment, and expand the spectral range of imaging spectrometer imaging, eliminate the impact of background radiation signal, improve the precision of target detection and Hyper spectral Imaging.
For solving the problems of the technologies described above, one provided by the invention portable broadband Fourier transform infrared imaging spectrometer, comprises Michelson interferometer, infrared optics telescopic system, built-in low-temperature receiver, collimation lens, two sides condenser lens, medium wave area array infrared detector, long wave area array infrared detector and circuit system assembly;
Described Michelson interferometer comprises rigidity double-pendulum arms, fixed rotating shaft, index glass drive unit, two three-dimensional corner cube mirrors and spectroscope; Two swing arms of rigidity double-pendulum arms are mutually vertical, and the summit of rigidity double-pendulum arms to be arranged on described fixed rotating shaft and to connect index glass drive unit, rotates under the driving of index glass drive unit for rigidity double-pendulum arms around fixed rotating shaft; The summit of two three-dimensional corner cube mirrors is fixedly mounted on inside two swing arms of rigidity double-pendulum arms respectively, the summit of two three-dimensional corner cube mirrors is identical with rigidity double-pendulum arms vertex distance, and two three-dimensional corner cube mirrors are symmetrically installed relative to the equidistant point of rigidity double-pendulum arms; The front of a three-dimensional corner cube mirror is provided with first input end mouth and the first output port; The front of another three-dimensional corner cube mirror is provided with the second input port and the second output port; First input end mouth is identical with the spacing of the second output port with the second input port with the spacing of the first output port; The intersection point of the intersection point of first input end mouth optical axis and the second input port optical axis, the first output port optical axis and the second output port optical axis and rigidity double-pendulum arms summit three point on a straight line; Described spectroscopical central plane through the intersection point of the intersection point of first input end mouth optical axis and the second input port optical axis, the first output port optical axis and the second output port optical axis and rigidity double-pendulum arms summit, and can make its equidistant point overlap with spectroscopical central plane by rotational stiffness double-pendulum arms; Spectroscopical both sides are respectively equipped with identical compensating plate, for compensating different wave length optical path difference;
Described infrared optics telescopic system is arranged at Michelson interferometer side, its optical axis and first input end mouth optical axis conllinear;
Described built-in low-temperature receiver and collimation lens are coaxial is successively arranged at Michelson interferometer opposite side, the optical axis of built-in low-temperature receiver and collimation lens and the second input port optical axis conllinear;
A condenser lens and medium wave area array infrared detector are coaxial is successively arranged at Michelson interferometer side, the optical axis of this condenser lens and medium wave area array infrared detector and the first output port optical axis conllinear, medium wave area array infrared detector is positioned on the focal plane of condenser lens;
Another condenser lens and long wave area array infrared detector are coaxial is successively arranged at Michelson interferometer opposite side, the optical axis of this condenser lens and long wave area array infrared detector and the second output port optical axis conllinear, long wave area array infrared detector is positioned on the focal plane of condenser lens;
Described circuit system assembly is electrically connected with index glass drive unit, medium wave area array infrared detector and long wave area array infrared detector respectively, for controlling the action of index glass drive unit, and receive, change and process the signal of medium wave area array infrared detector and the output of long wave area array infrared detector, export the ultraphotic spectrum isometric chart picture of target.
Compared with prior art, beneficial effect of the present invention is:
1) rigidity double-pendulum arms and the use with its fixing three-dimensional corner cube mirror in Michelson interferometer, ensure that and effectively overcome mirror tilt or the traversing interference error caused in traditional structure, significantly improve the spectral resolution of Infrared Imaging Spectrometer, make it still can steady operation in motion process;
2) have employed the simulation of built-in low-temperature receiver and produce target scene background radiation signal, itself and target scene radiant light are subtracted each other, eliminates the impact of target scene background radiation, significantly improve the precision of target Hyper spectral Imaging, and then improve the sensitivity of target detection;
3) adopt medium-wave infrared planar array detector and LONG WAVE INFRARED planar array detector to detect interference light simultaneously, effectively improve the spectral range of Hyper spectral Imaging, enable Infrared Imaging Spectrometer obtain target more comprehensively spectral information, effectively extend the range of application of Infrared Imaging Spectrometer;
4) structural design of the present invention is simple, and volume is little, has very high dependable with function.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is the structural representation of Michelson interferometer in Fig. 1.
Fig. 3 is the index path of Fig. 1 spectrometer.
In figure: 1-infrared optics telescopic system, 2-Michelson interferometer (wherein: 2.1,2.2-three-dimensional corner cube mirror, 2.3-rigidity double-pendulum arms, 2.4-fixed rotating shaft, 2.5-index glass drive unit, 2.6-spectroscope, 2.7,2.8-compensating plate), 3-built-in low-temperature receiver, 4-collimation lens, 5,6-condenser lens, 7-medium wave area array infrared detector, 8-long wave area array infrared detector, 9-circuit system assembly.
Embodiment
Below in conjunction with accompanying drawing, specific embodiments of the invention are described in further detail.
As shown in Figure 1, one of the present invention portable broadband Fourier transform infrared imaging spectrometer, comprise Michelson interferometer 2, infrared optics telescopic system 1, built-in low-temperature receiver 3, collimation lens 4, two sides condenser lens 5,6, medium wave area array infrared detector 7, long wave area array infrared detector 8 and circuit system assembly 9.Specific as follows.
As shown in Figure 2, Michelson interferometer 2 comprises rigidity double-pendulum arms 2.3, fixed rotating shaft 2.4, the three-dimensional corner cube mirror 2.1,2.2 of index glass drive unit 2.5, two and spectroscope 2.6.Two swing arms of rigidity double-pendulum arms 2.3 are mutually vertical, and its summit O to be arranged on fixed rotating shaft 2.4 and to connect index glass drive unit 2.5, and rigidity double-pendulum arms 2.3 can be rotated around fixed rotating shaft 2.4 according to certain rule under the driving of index glass drive unit 2.5.Summit A, B of two three-dimensional corner cube mirrors 2.1,2.2 are fixedly mounted on inside two swing arms of rigidity double-pendulum arms 2.3 respectively, and meet OA=OB.Two three-dimensional corner cube mirrors 2.1,2.2 are symmetrically installed relative to the equidistant point of rigidity double-pendulum arms 2.3, and the front of three-dimensional corner cube mirror 2.2 is provided with first input end mouth and the first output port; The front of three-dimensional corner cube mirror 2.1 is provided with the second input port and the second output port; First input end mouth is identical with the spacing of the second output port with the second input port with the spacing of the first output port.The intersection point of the intersection point of first input end mouth optical axis and the second input port optical axis, the first output port optical axis and the second output port optical axis and rigidity double-pendulum arms 2.3 summit three point on a straight line; The central plane of spectroscope 2.6 is through the intersection point D of the intersection point C of first input end mouth optical axis and the second input port optical axis, the first output port optical axis and the second output port optical axis and rigidity double-pendulum arms 2.3 summit O.The both sides of spectroscope 2.6 are respectively equipped with identical compensating plate 2.7,2.8, and two panels compensating plate 2.7,2.8 is parallel with spectroscope 2.6 respectively, for compensating different wave length optical path difference.
Infrared optics telescopic system 1 is arranged at Michelson interferometer 2 side, its optical axis and first input end mouth optical axis conllinear, for injecting after the flashlight of target scene radiation compression bore and collimation from first input end mouth.
Built-in low-temperature receiver 3 and collimation lens 4 are coaxial is successively arranged at Michelson interferometer 2 opposite side, the optical axis of built-in low-temperature receiver 3 and collimation lens 4 and the second input port optical axis conllinear.The light signal of built-in low-temperature receiver 3 radiation, for reducing the impact of instrument internal radiation signal, improves the contrast of target and instrument, and this flashlight is injected from the second input port after collimation lens 4 collimates.
Condenser lens 5 and medium wave area array infrared detector 7 are coaxial is successively arranged at Michelson interferometer 2 side, the optical axis of this condenser lens 5 and medium wave area array infrared detector 7 and the first output port optical axis conllinear, medium wave area array infrared detector 7 is positioned on the focal plane of condenser lens 5.
Condenser lens 6 and long wave area array infrared detector 8 are coaxial is successively arranged at Michelson interferometer 2 opposite side, the optical axis of this condenser lens 6 and long wave area array infrared detector 8 and the second output port optical axis conllinear, long wave area array infrared detector 8 is positioned on the focal plane of condenser lens 6.
Circuit system assembly 9 is electrically connected with index glass drive unit 2.5, medium wave area array infrared detector 7 and long wave area array infrared detector 8 respectively, for controlling the action of index glass drive unit 2.5, and receive, change and process the light signal of medium wave area array infrared detector 7 and long wave area array infrared detector 8, the final ultraphotic spectrum isometric chart picture exporting target.
Principle of work of the present invention is: the flashlight (all band) of target scene radiation incides the first input end mouth of Michael's interferometer 2 after infrared optics telescopic system 1 compresses bore and collimation, and the light signal of built-in low-temperature receiver 3 radiation incides the second input port of Michael's interferometer 2 after collimation lens 4 collimates.Michelson interferometer 2 is interfered the flashlight of target scene radiation and the light signal of built-in low-temperature receiver 3 radiation respectively, and exports two-way interference light.Focus on the focal plane of medium wave area array infrared detector 7 from the light signal of Michelson interferometer 2 first output port injection through condenser lens 5, through medium wave area array infrared detector 7, light signal is converted to analog electrical signal.Gather 6 Jiao to the focal plane of long wave area array infrared detector 8 from the light signal of Michelson interferometer 2 second output port injection through condenser lens, light signal is converted to analog electrical signal by long wave area array infrared detector 8.Circuit system assembly 9 controls the course of work of two detectors and Michelson interferometer 2, and the analog electrical signal that two detectors export is converted to digital signal and carries out the process such as Fourier transform, the final ultraphotic spectrum isometric chart picture exporting target.
As shown in Figure 3, if the light signal of the flashlight of target scene radiation after infrared optics telescopic system 1 is
i 1 , the radiant light that built-in low-temperature receiver 3 sends differs 180 at output terminal with target scene background radiation light after Michelson interferometer 2
0phasing degree, the light signal of the signal that built-in low-temperature receiver 3 sends after collimation lens 4 is
i 2 .More detailed operating process of the present invention is as follows:
1) index glass drive unit 2.5 controls rigidity double-pendulum arms 2.3 and turns an angle around fixed rotating shaft 2.4
θ i ;
2)
i 1 two-beam is divided into after spectroscope 2.6
i 11 with
i 12 ,
i 2 two-beam is divided into after spectroscope 2.6
i 21 with
i 22 ;
3)
i 11 with
i 12 spectroscope 2.6 light splitting is again got back to, final output two beam interferometer light after reflecting respectively through three-dimensional corner cube mirror 2.1 and three-dimensional corner cube mirror 2.2
o 11with
o 12.
i 21 with
i 22 again through spectroscope 2.6 light splitting after reflecting respectively through three-dimensional corner cube mirror 2.1 and three-dimensional corner cube mirror 2.2, final output two beam interferometer light
o 21with
o 22, wherein
i 11 with
i 12 optical path difference be
θ i function
f(
θ i ),
i 21 with
i 22 also be
f(
θ i ).In above process, two compensating plates 2.7 compensate different wave length optical path difference;
4) medium wave area array infrared detector 7 receives light signal and is exported by Michelson interferometer 2 first output port
o 11with
o 21superposed signal.Long wave area array infrared detector 8 receives light signal and is exported by Michelson interferometer 2 second output port
o 12with
o 22superposed signal.Due to
o 11with
o 21difference 180
0phasing degree,
o 12with
o 22difference 180
0phasing degree, so the actual light signal received of medium wave area array infrared detector 7 is
o 11with
o 21difference, long wave area array infrared detector 8 is also analogue.The light signal received is converted to analog electrical signal and is transferred to circuit system assembly 9 and carries out subsequent treatment by two detectors;
5) circuit system assembly 9 changes the analog electrical signal received into digital signal, and stores, and then gets back to step 1), repeats step 1) ~ 5);
6) in above process, index glass drive unit 2.5 controls a series of optical path difference
f(
θ i ) according to certain change step
dlinear distribution.One week after date has been swung when index glass drive unit 2.5 controls rigidity both arms pendulum 2.3, the data of circuit system assembly 9 to each location of pixels corresponding to a series of images obtained in this cycle carry out Fourier transform, the Hyper spectral Imaging that this location of pixels is corresponding can be obtained, finally obtain the ultraphotic spectrum isometric chart picture of whole target.In order to ensure high light spectral resolution, normal light path difference change step
dbe no more than 300nm.
Claims (1)
1. a portable broadband Fourier transform infrared imaging spectrometer, is characterized in that: comprise Michelson interferometer (2), infrared optics telescopic system (1), built-in low-temperature receiver (3), collimation lens (4), two groups of condenser lenses (5,6), medium wave area array infrared detector (7), long wave area array infrared detector (8) and circuit system assemblies (9);
Described Michelson interferometer (2) comprises rigidity double-pendulum arms (2.3), fixed rotating shaft (2.4), index glass drive unit (2.5), two three-dimensional corner cube mirrors (2.1,2.2) and spectroscope (2.6); Two swing arms of rigidity double-pendulum arms (2.3) are mutually vertical, the summit of rigidity double-pendulum arms (2.3) is arranged on described fixed rotating shaft (2.4) and goes up and connect index glass drive unit (2.5), rotates under the driving of index glass drive unit (2.5) for rigidity double-pendulum arms (2.3) around fixed rotating shaft (2.4); The summit of two three-dimensional corner cube mirrors (2.1,2.2) is fixedly mounted on inside two swing arms of rigidity double-pendulum arms (2.3) respectively, the summit of two three-dimensional corner cube mirrors (2.1,2.2) is identical with rigidity double-pendulum arms (2.3) vertex distance, and two three-dimensional corner cube mirrors (2.1,2.2) are symmetrically installed relative to the equidistant point of rigidity double-pendulum arms (2.3); The front of a three-dimensional corner cube mirror (2.2) is provided with first input end mouth and the first output port; The front of another three-dimensional corner cube mirror (2.1) is provided with the second input port and the second output port; First input end mouth is identical with the spacing of the second output port with the second input port with the spacing of the first output port; The intersection point of the intersection point of first input end mouth optical axis and the second input port optical axis, the first output port optical axis and the second output port optical axis and rigidity double-pendulum arms (2.3) summit three point on a straight line; The central plane of described spectroscope (2.6) through the intersection point of the intersection point of first input end mouth optical axis and the second input port optical axis, the first output port optical axis and the second output port optical axis and rigidity double-pendulum arms (2.3) summit, and can make its equidistant point overlap with the central plane of spectroscope (2.6) by rotational stiffness double-pendulum arms (2.3); The both sides of spectroscope (2.6) are respectively equipped with identical compensating plate (2.7,2.8), for compensating different wave length optical path difference;
Described infrared optics telescopic system (1) is arranged at Michelson interferometer (2) side, its optical axis and first input end mouth optical axis conllinear;
Described built-in low-temperature receiver (3) and collimation lens (4) are coaxial is successively arranged at Michelson interferometer (2) opposite side, the optical axis of built-in low-temperature receiver (3) and collimation lens (4) and the second input port optical axis conllinear;
A condenser lens (5) and medium wave area array infrared detector (7) are coaxial is successively arranged at Michelson interferometer (2) side, the optical axis of this condenser lens (5) and medium wave area array infrared detector (7) and the first output port optical axis conllinear, medium wave area array infrared detector (7) is positioned on the focal plane of condenser lens (5);
Another condenser lens (6) and long wave area array infrared detector (8) are coaxial is successively arranged at Michelson interferometer (2) opposite side, the optical axis of this condenser lens (6) and long wave area array infrared detector (8) and the second output port optical axis conllinear, long wave area array infrared detector (8) is positioned on the focal plane of condenser lens (6);
Described circuit system assembly (9) is electrically connected with index glass drive unit (2.5), medium wave area array infrared detector (7) and long wave area array infrared detector (8) respectively, for controlling the action of index glass drive unit (2.5), and receive, conversion and process medium wave area array infrared detector (7) and the signal that exports of long wave area array infrared detector (8), the ultraphotic exporting target composes isometric chart picture.
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| JP6177153B2 (en) * | 2014-02-05 | 2017-08-09 | 浜松ホトニクス株式会社 | Spectrometer |
| CN106644938B (en) * | 2016-11-29 | 2019-07-12 | 北京空间机电研究所 | A kind of interference-type Fourier transform spectrometer swing arm motion control system |
| CN109297600B (en) * | 2018-10-22 | 2024-04-05 | 中国科学院西安光学精密机械研究所 | Fourier transform hyperspectral imaging device based on high-speed double-reflection rotating mirror |
| CN113218506B (en) * | 2021-05-31 | 2022-04-22 | 中国科学院长春光学精密机械与物理研究所 | Infrared double-spectrum Fourier transform imaging spectrometer |
| CN114563084A (en) * | 2022-02-07 | 2022-05-31 | 中电科思仪科技股份有限公司 | Real-time Fourier infrared spectrum radiation measurement system and measurement method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102072769A (en) * | 2010-11-05 | 2011-05-25 | 清华大学 | Novel Fourier infrared spectrograph and analysis method |
| CN102759402A (en) * | 2012-07-23 | 2012-10-31 | 北京理工大学 | Rotary Fourier transform interference imaging spectrometer |
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| US7446878B2 (en) * | 2006-11-16 | 2008-11-04 | Trutouch Technologies, Inc. | Method and apparatus for improvement of spectrometer stability, and multivariate calibration transfer |
| US9146158B2 (en) * | 2011-02-01 | 2015-09-29 | Abb Inc. | Beamsplitter configuration for optical subtraction of self emission with Fourier transform spectrometer in dual input port mode |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102072769A (en) * | 2010-11-05 | 2011-05-25 | 清华大学 | Novel Fourier infrared spectrograph and analysis method |
| CN102759402A (en) * | 2012-07-23 | 2012-10-31 | 北京理工大学 | Rotary Fourier transform interference imaging spectrometer |
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