CN204359434U - A kind of imaging spectral instrument system - Google Patents
A kind of imaging spectral instrument system Download PDFInfo
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- CN204359434U CN204359434U CN201420397582.7U CN201420397582U CN204359434U CN 204359434 U CN204359434 U CN 204359434U CN 201420397582 U CN201420397582 U CN 201420397582U CN 204359434 U CN204359434 U CN 204359434U
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- 238000003384 imaging method Methods 0.000 title claims abstract description 30
- 230000003595 spectral effect Effects 0.000 title claims abstract description 28
- 239000006185 dispersion Substances 0.000 claims abstract description 38
- 230000003287 optical effect Effects 0.000 claims abstract description 29
- 239000000523 sample Substances 0.000 claims abstract description 29
- 230000008859 change Effects 0.000 claims abstract description 9
- 238000005516 engineering process Methods 0.000 abstract description 13
- 238000001228 spectrum Methods 0.000 abstract description 6
- 230000009467 reduction Effects 0.000 abstract description 3
- 239000010408 film Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004611 spectroscopical analysis Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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Abstract
The utility model relates to a kind of imaging spectral instrument system, this system comprises: probe unit, dispersion element, chromatic dispersion controlling unit, image-generating unit and computer unit, described probe unit, dispersion element are connected successively with image-generating unit, described dispersion element is connected with the first interface of described computer unit by described chromatic dispersion controlling unit, and the second interface of described computer unit is connected with described probe unit; Described dispersion element is the film adjustable optical filter TFTF that wavelength gated nature changes with filter angle phi change.Film adjustable optical filter TFTF technology and ground imaging spectrometer technology combine by the utility model, do not need complicated circuit control system or Machinery Control System, the complicacy of reduction system, improve the reaction velocity of system, can the high light spectrum image-forming data of quick obtaining terrain object, improve the performance of system.
Description
Technical field
The utility model relates to optical image technology field, particularly relates to a kind of imaging spectral instrument system.
Background technology
In most optical system, it is extraordinary wavelength gating scheme that film-type band leads to adjustable optical filter, because it has high transmitance (close to 100%), has very precipitous spectral edges and extraordinary background suppress ability.Up to date, the shortcoming of film-type optical filter is its spectral characteristic is fixing, needs the form by changing optical filter to change the logical light characteristic of light path.But in some optical systems, the mode changing optical filter can increase the complicacy of system, and physical size, reduces the reaction velocity of system.Needing to change in the system of wavelength gated nature, grating dispersion spectroscopic modes often uses.But grating beam splitting has dispersion measure not enough, and transmitance is lower, can not carry out the shortcoming of dispersion light splitting to the image carrying two-dimensional signal.Multiple technologies can be used for transmitting two-dimensional image information and realize the function of dispersion light splitting, such as acousto-optic tunable filter, liquid crystal tunable optical filter, optical filter runner etc.A kind of new filter technology changing optical strobe by changing incident angle has occurred, pass through the anglec of rotation, a series of bandpass filter can be realized, and substantially can not change the transmitance of system, and the logical light characteristic of light path can be changed fast, realize the ability of the image carrying two information being carried out to light splitting.This kind of technology is than above-mentioned acousto-optic tunable filter, and liquid crystal tunable optical filter, optical filter runner etc. is easier to realize in technique.And do not need as acousto-optic tunable filter, the circuit control system of liquid crystal tunable optical filter complexity, do not need the Machinery Control System of picture optical filter runner complexity yet.
Utility model content
The purpose of this utility model is to provide a kind of imaging spectral instrument system, and this system does not need complicated circuit control system or Machinery Control System, reduces the complicacy of system, improves the reaction velocity of system.
For this purpose, the utility model proposes a kind of imaging spectral instrument system, this system comprises: probe unit, dispersion element, chromatic dispersion controlling unit, image-generating unit and computer unit, described probe unit, dispersion element are connected successively with image-generating unit, described dispersion element is connected with the first interface of described computer unit by described chromatic dispersion controlling unit, and the second interface of described computer unit is connected with described probe unit;
Described dispersion element is the film adjustable optical filter TFTF that wavelength gated nature changes with filter angle phi change.
Preferably, described chromatic dispersion controlling unit is stepper motor or servomotor, for carrying out angular turn to described TFTF optical filter.
Preferably, described image-generating unit is focal length imaging lens.
Preferably, described probe unit is planar array detector, for the spectral information of described detected object is carried out imaging by wavelength, obtains spectral cube data.
Preferably, described planar array detector is CCD planar array detector or CMOS planar array detector.
Preferably, described system also comprises the sample unit as being detected object.
Preferably, described sample unit is ground matter sample.
A kind of imaging spectral instrument system that the utility model proposes, stepper motor or driven by servomotor is adopted to change incident angle, realize the wavelength gated nature of film adjustable optical filter TFTF, do not need complicated circuit control system or Machinery Control System, the complicacy of reduction system and physical size, improve the reaction velocity of system, and by film adjustable optical filter TFTF technology and ground imaging spectrometer technology are combined, realize the effect of the high light spectrum image-forming data of quick obtaining terrain object, improve the performance of system.
Accompanying drawing explanation
Can understanding feature and advantage of the present utility model clearly by reference to accompanying drawing, accompanying drawing is schematic and should not be construed as and carry out any restriction to the utility model, in the accompanying drawings:
Fig. 1 is the structural representation of a kind of imaging spectral instrument system that the utility model proposes.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
A kind of imaging spectral instrument system of the utility model, this system is by combining film adjustable optical filter TFTF (thin-film tunable filter) technology and ground imaging spectrometer technology, can the high light spectrum image-forming data of quick obtaining terrain object, improve the performance of system.
Fig. 1 is the structural representation of a kind of imaging spectral instrument system that the utility model proposes, as shown in Figure 1, this system comprises: probe unit 1, dispersion element 2, chromatic dispersion controlling unit 3, image-generating unit 4 and computer unit 5, described probe unit 1, dispersion element 2 are connected successively with image-generating unit 4, dispersion element 2 is connected with the first interface of computer unit 5 by chromatic dispersion controlling unit 3, and the second interface of computer unit 5 is connected with probe unit 1; The film adjustable optical filter TFTF that dispersion element 2 changes with filter angle phi change for wavelength gated nature.Chromatic dispersion controlling unit 3 is stepper motor or servomotor, for carrying out angular turn to described TFTF optical filter.This system also comprises the sample unit 6 as being detected object, and image-generating unit 4 is for collecting the signal that diffuses of sample unit 6 measurand.
In the utility model embodiment, film adjustable optical filter TFTF has different wavelength gated natures according to the different anglecs of rotation, the successively sample diffuse signal light of gating different wave length, the chromatic dispersion controlling unit 3 corresponding with it is stepper motor or servomotor, according to the gating characteristics of TFTF, drive TFTF Small-angle Rotation successively, the light signal of different wave length is passed through.Wherein, the chromatic dispersion controlling unit 3 in the utility model embodiment can also select other control elements had with stepper motor identical function.
Further, image-generating unit 4 is focal length imaging lens, for collecting the signal that diffuses of measurand, then focuses on the photosurface of planar array detector.
Further, probe unit 1 is planar array detector, for the spectral information of described detected object is carried out imaging by wavelength, obtain spectral cube data, after completing the detection to spectroscopic data, be saved in computer unit 5 by USB (universal serial bus), complete the displaying of data, process and preservation.Wherein, planar array detector is the one in CCD planar array detector, CMOS planar array detector or other planar array detectors.
Further, sample unit 6 is ground matter sample.
Further, the control of computer unit 5 completion system, operation chromatic dispersion controlling unit 3 completes the gating to wavelength, and the spectroscopic data gathered by probe unit 1 carries out showing, process and storing.This computer unit has the transmission of big data quantity, process and storage capacity.
The principle of work of the imaging spectral instrument system that the utility model provides, specific as follows:
The diffuse signal of sample unit 6 enters dispersion element 2 after image-generating unit 4 is collected.Computer unit 5 is by realizing the stepper motor in chromatic dispersion controlling unit 3 or Serve Motor Control controlling the light splitting of the TFTF optical filter of dispersion element 2.Probe unit 1 detects the signal after dispersion element 2 light-splitting processing, obtains spectral cube data, and is shown the view data gathered by computer unit 5, process and storage.The effect of the high light spectrum image-forming data of quick obtaining terrain object.
The imaging spectral instrument system that the utility model proposes, stepper motor or driven by servomotor is adopted to change incident angle, realize the wavelength gated nature of film adjustable optical filter TFTF, do not need complicated circuit control system or Machinery Control System, the complicacy of reduction system and physical size, improve the reaction velocity of system, and by film adjustable optical filter TFTF technology and ground imaging spectrometer technology are combined, realize the effect of the high light spectrum image-forming data of quick obtaining terrain object, the performance of raising system, has expanded the application of imaging spectrum system.
Although describe embodiment of the present utility model by reference to the accompanying drawings, but those skilled in the art can make various modifications and variations when not departing from spirit and scope of the present utility model, such amendment and modification all fall into by within claims limited range.
Claims (7)
1. an imaging spectral instrument system, this system comprises: probe unit, dispersion element, chromatic dispersion controlling unit, image-generating unit and computer unit, it is characterized in that, described probe unit, dispersion element are connected successively with image-generating unit, described dispersion element is connected with the first interface of described computer unit by described chromatic dispersion controlling unit, and the second interface of described computer unit is connected with described probe unit;
Described dispersion element is the film adjustable optical filter TFTF that wavelength gated nature changes with filter angle phi change.
2. imaging spectral instrument system according to claim 1, is characterized in that, described chromatic dispersion controlling unit is stepper motor or servomotor, for carrying out angular turn to described TFTF optical filter.
3. imaging spectral instrument system according to claim 1, is characterized in that, described image-generating unit is focal length imaging lens.
4. imaging spectral instrument system according to claim 1, is characterized in that, described probe unit is planar array detector, for the spectral information of described detected object is carried out imaging by wavelength, obtains spectral cube data.
5. imaging spectral instrument system according to claim 4, is characterized in that, described planar array detector is CCD planar array detector or CMOS planar array detector.
6. the imaging spectral instrument system according to any one of claim 1-5 claim, is characterized in that, also comprises the sample unit as being detected object.
7. imaging spectral instrument system according to claim 6, is characterized in that, described sample unit is ground matter sample.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201420397582.7U CN204359434U (en) | 2014-07-17 | 2014-07-17 | A kind of imaging spectral instrument system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420397582.7U CN204359434U (en) | 2014-07-17 | 2014-07-17 | A kind of imaging spectral instrument system |
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| CN204359434U true CN204359434U (en) | 2015-05-27 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106017675A (en) * | 2016-05-16 | 2016-10-12 | 中国科学院长春光学精密机械与物理研究所 | Staring multispectral imaging system |
| CN106052868A (en) * | 2016-05-16 | 2016-10-26 | 中国科学院长春光学精密机械与物理研究所 | Staring multispectral imaging method |
| CN106404171A (en) * | 2016-10-21 | 2017-02-15 | 北京理工大学 | Liquid crystal hyperspectral calculation imaging measurement device and method of three-dimensional encoding |
| CN106525240A (en) * | 2016-12-29 | 2017-03-22 | 同方威视技术股份有限公司 | Spectrum detection device |
| CN110794571A (en) * | 2019-11-14 | 2020-02-14 | 京东方科技集团股份有限公司 | Light transmission component |
| CN111220270A (en) * | 2020-01-14 | 2020-06-02 | 安徽艾华测控技术有限公司 | Narrow-band spectral analysis system based on scanning galvanometer |
-
2014
- 2014-07-17 CN CN201420397582.7U patent/CN204359434U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106017675A (en) * | 2016-05-16 | 2016-10-12 | 中国科学院长春光学精密机械与物理研究所 | Staring multispectral imaging system |
| CN106052868A (en) * | 2016-05-16 | 2016-10-26 | 中国科学院长春光学精密机械与物理研究所 | Staring multispectral imaging method |
| CN106017675B (en) * | 2016-05-16 | 2019-02-19 | 中国科学院长春光学精密机械与物理研究所 | Gazing type multi-optical spectrum imaging system |
| CN106404171A (en) * | 2016-10-21 | 2017-02-15 | 北京理工大学 | Liquid crystal hyperspectral calculation imaging measurement device and method of three-dimensional encoding |
| CN106525240A (en) * | 2016-12-29 | 2017-03-22 | 同方威视技术股份有限公司 | Spectrum detection device |
| CN106525240B (en) * | 2016-12-29 | 2019-03-19 | 同方威视技术股份有限公司 | Spectral detection device |
| US10663393B2 (en) | 2016-12-29 | 2020-05-26 | Nuctech Company Limited | Spectrum inspecting apparatus |
| CN110794571A (en) * | 2019-11-14 | 2020-02-14 | 京东方科技集团股份有限公司 | Light transmission component |
| CN111220270A (en) * | 2020-01-14 | 2020-06-02 | 安徽艾华测控技术有限公司 | Narrow-band spectral analysis system based on scanning galvanometer |
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Granted publication date: 20150527 |