CN106644412A - Multispectral reflection type collimator - Google Patents
Multispectral reflection type collimator Download PDFInfo
- Publication number
- CN106644412A CN106644412A CN201611253370.1A CN201611253370A CN106644412A CN 106644412 A CN106644412 A CN 106644412A CN 201611253370 A CN201611253370 A CN 201611253370A CN 106644412 A CN106644412 A CN 106644412A
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- China
- Prior art keywords
- lens group
- multispectral
- housing
- light source
- reflective
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- 239000002184 metal Substances 0.000 claims description 5
- 239000011159 matrix material Substances 0.000 claims description 3
- 210000001747 pupil Anatomy 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 abstract description 16
- 238000001228 spectrum Methods 0.000 abstract description 11
- 238000012360 testing method Methods 0.000 abstract description 6
- 238000003331 infrared imaging Methods 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000004075 alteration Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003595 spectral effect Effects 0.000 description 3
- 238000011056 performance test Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 241000931526 Acer campestre Species 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000005304 optical glass Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000275 quality assurance Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
Abstract
The invention belongs to the optical equipment technology field, to be specific, relates to a multispectral reflection type collimator. The multispectral reflection type collimator comprises a base; a housing disposed on the base; a lens group and a power supply, which are disposed in the housing. The lens group adopts a reflection type lens group structure, which comprises a first primary lens and a secondary lens. The horizontal position of the first primary lens and the horizontal position of the secondary lens are opposite to each other, and the height position of the first primary lens and the height position of the secondary lens are in an up-down staggered arrangement. The side surface of the housing is provided with a target and a light source, and the focal plane of the target is provided with the light source. By adopting the above mentioned structure, a Zemax optical design software is adopted, and the reflection type structure is adopted, and then achromatism under a condition of different spectrums is guaranteed, and the output light parallelism of different spectrums is consistent; difficulty in simultaneous detection of different wavelength spectrums is solved, and at the same time a testing standard is provided for the coaxial system of the multispectral optical system. The multispectral reflection type collimator is widely used for the optical performance testing of various products, and foundation is laid for guarantee of infrared imaging product quality.
Description
Technical field
The invention belongs to optical devices technologies field, and in particular to a kind of multispectral reflective parallel light pipe.
Background technology
At present, in order to meet multiple spectral wavelengths under the conditions of different application, including visible ray, infrared light and various
Different optical maser wavelengths are applied jointly, and needs are a to meet multispectral parallel light device, for image simulation and various optics
Performance detection.
For example, Chinese invention patent CN200910060891.9 provides a kind of method of small-sized parallel light tube, its skill
Art approach is by placing an Infrared Lens in metal sleeve, hollow out metallic target being placed in the focal plane of Infrared Lens, in fact
The simulation of existing distant object.Although this method reduces to a certain extent the volume of parallel light tube, focal length is also therewith
Reduce, cause accuracy of detection relatively low, and because using Infrared Lens, there is aberration, narrow spectral region can only be met
Testing requirement.For another example, Chinese invention patent CN201903683U propositions, anti-using a non-spherical reflector and a plane
The light channel structure for penetrating mirror constructs a kind of micro- parallel light tube of infrared target, and this method is reduced on the premise of same focal length
The volume of parallel light tube, but due to only with a non-spherical reflector, in order to ensure as matter, to non-spherical reflector
Processing request it is very high, high cost, be additionally, since maximum employing optical glass material, cause aspherical mirror weight big.
The content of the invention
The present invention overcomes the shortcomings of that prior art is present, it is desirable to provide one kind is utilized and adopts reflective structure, using difference
Light source irradiates, and forms the multispectral reflective parallel light pipe of the directional light of different wave length.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is：A kind of multispectral reflective parallel light pipe,
Including base, the housing on the base, lens group and power supply are provided with the housing；The lens group is reflective
Lens group structure, the reflective lens group structure includes the horizontal position of the first primary mirror and secondary mirror, first primary mirror and secondary mirror
Put relative, height and position is staggered upper and lower；The side of the housing is provided with target and light source, sets on the focal plane of the target
It is equipped with light source.
Wherein, lens group and power supply are provided with the housing；The lens group be reflective lens group structure, the reflection
Formula lens group structure include the first primary mirror, the second primary mirror and secondary mirror, first primary mirror, the second primary mirror respectively with the secondary mirror
Horizontal level it is relative, height and position is staggered upper and lower, first primary mirror and the second primary mirror is upper and lower be arranged in parallel；The housing
Side be provided with target and light source, be provided with light source on the focal plane of the target.
Wherein, the light source can be using black matrix as infrared light supply, various LASER Light Sources or visible light source.
Wherein, point, cross picture, many bar pictures, the hollow metal pattern of multiple spot array centered on the target.
Wherein, the emergent pupil aperture maximum of the parallel light tube can reach the mm of φ 1200.
Wherein, the effective focal length of the parallel light tube is 500-10000 mm.
The present invention has the advantages that compared with prior art：One kind of the present invention is multispectral reflective parallel
Light pipe, including base, the housing on the base, are provided with lens group and power supply in the housing；The lens group is
Reflective lens group structure, the reflective lens group structure includes the first primary mirror and secondary mirror, first primary mirror and secondary mirror
Horizontal level is relative, and height and position is staggered upper and lower；The side of the housing is provided with target and light source, and Jiao of the target puts down
Light source is provided with face；The present invention adopts said structure, by Zemax optical design softwares, using reflective structure, it is ensured that
Achromatism under different spectrum so that the output light collimation of different spectrum is consistent；Solve what different wave length spectrum was detected simultaneously
Difficulty, while also the coaxial system for multispectral optical system provides a test benchmark.In addition, this is multispectral reflective parallel
Light pipe will can be widely applied to the light of various products as the benchmark test equipment of various infrared imaging/laser pointing systems
Performance test is learned, is that infrared imaging product quality guarantee is laid a good foundation.
Description of the drawings
Below in conjunction with the accompanying drawings the present invention will be further described in detail.
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the schematic diagram of optical system embodiment one in the present invention.
Fig. 3 is the schematic diagram of optical system embodiment two in the present invention.
Fig. 4 is the MTF curve figure of optical system in the present invention.
Fig. 5 is the distortion data figure of optical system in the present invention.
In figure：1 is base, and 2 is housing, and 3 is the first primary mirror, and 4 is secondary mirror, and 5 is target, and 6 is light source, and 7 is the second primary mirror.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation, and accompanying drawing is simplified schematic diagram, only with signal side
The basic structure of the formula explanation present invention, therefore it only shows the composition relevant with the present invention.
As shown in Figure 1 and Figure 2, embodiment one, a kind of multispectral reflective parallel light pipe, including base 1, installed in described
Lens group and power supply are provided with housing 2 on base 1, the housing 2；The lens group is reflective lens group structure, described
Reflective lens group structure is relative including the horizontal level of the first primary mirror 3 and secondary mirror 4, first primary mirror 3 and secondary mirror 4, height
Position staggers upper and lower；The side of the housing 2 is provided with target 5 and light source 6, and on the focal plane of the target 5 light source is provided with
6。
As shown in Figure 1, Figure 3, embodiment two, a kind of multispectral reflective parallel light pipe, including base 1, installed in described
Lens group and power supply are provided with housing 2 on base 1, the housing 2；The lens group is reflective lens group structure, described
Reflective lens group structure includes the first primary mirror 3, the second primary mirror 7 and secondary mirror 4, and first primary mirror 3, the second primary mirror 7 are respectively
Relative with the horizontal level of the secondary mirror 4, height and position is staggered upper and lower, and first primary mirror 3 is upper and lower parallel with the second primary mirror 7
Arrange；The side of the housing 2 is provided with target 5 and light source 6, and light source 6 is provided with the focal plane of the target 5.
Specifically, the light source 6 can be using black matrix as infrared light supply, various LASER Light Sources or visible light source, in this reality
In applying example, above-mentioned various light sources can be placed on same position, being total to for various spectrum is realized by the different light sources of conversion
Same optical system, forms the coaxial directional light of different spectral wavelengths.
Specifically, point, cross picture, many bar pictures, the hollow metal pattern of multiple spot array centered on the target 5, in this reality
In applying example, using the pattern of above-mentioned hollow metal, the spectrum of different wave length can be passed through by openwork part.
Specifically, the emergent pupil aperture maximum of the parallel light tube can reach the mm of φ 1200；Effective Jiao of the parallel light tube
Away from for 500-10000 mm.
In addition, as shown in Figure 4, Figure 5, systematical distortion：In full field range, aberration control value is little during Optical System Design
In equal to 0.01%；Modulation transfer function：Close diffraction limit, the wave aberration of system accomplishes minimum.
The operation principle of the present invention：Light source 6 is placed on first the focal plane position of parallel light tube, then by the first master
Mirror 3 and the primary mirror 3 of secondary mirror 4 or first, the second primary mirror 7 and the collective effect of secondary mirror 4, then light source just images in infinite point, due to
Different light sources 6 can launch the spectrum of different wave length, therefore by any transformation light source 6, or while using multiple light sources, with regard to energy
Form multispectral parallel light tube.
Jing is upper described, and the multispectral reflective parallel light pipe passes through Zemax optical design softwares, using reflective knot
Structure, it is ensured that the achromatism under different spectrum so that the output light collimation of different spectrum is consistent；Simultaneously the product will be used as each
The benchmark test equipment of infrared imaging/laser pointing system is planted, the optical performance test of various products is can be widely applied to, is red
Outer imaging product quality assurance is laid a good foundation.
Embodiments of the invention are explained in detail above in conjunction with accompanying drawing, but the present invention is not limited to above-mentioned enforcement
Example, in the ken that those of ordinary skill in the art possess, can be doing on the premise of without departing from present inventive concept
Go out various change.
Claims (6)
1. a kind of multispectral reflective parallel light pipe, including base（1）, installed in the base（1）On housing（2）, it is special
Levy and be, the housing（2）Inside it is provided with lens group and power supply；The lens group is reflective lens group structure, described reflective
Lens group structure includes the first primary mirror（3）And secondary mirror（4）, first primary mirror（3）And secondary mirror（4）Horizontal level it is relative, it is high
Degree position staggers upper and lower；The housing（2）Side be provided with target（5）And light source（6）, the target（5）Focal plane on
It is provided with light source（6）.
2. a kind of multispectral reflective parallel light pipe according to claim 1, including base（1）, installed in the base
（1）On housing（2）, it is characterised in that the housing（2）Inside it is provided with lens group and power supply；The lens group is reflective
Microscope group structure, the reflective lens group structure includes the first primary mirror（3）, the second primary mirror（7）And secondary mirror（4）, first master
Mirror（3）, the second primary mirror（7）Respectively with the secondary mirror（4）Horizontal level it is relative, height and position is staggered upper and lower, described first
Primary mirror（3）With the second primary mirror（7）It is upper and lower to be arranged in parallel；The housing（2）Side be provided with target（5）And light source（6）, institute
State target（5）Focal plane on be provided with light source（6）.
3. a kind of multispectral reflective parallel light pipe according to claim 1 or 2, it is characterised in that the light source（6）
Can be using black matrix as infrared light supply, various LASER Light Sources or visible light source.
4. a kind of multispectral reflective parallel light pipe according to claim 1 and 2, it is characterised in that the target（5）For
Central point, cross picture, many bar pictures, the hollow metal pattern of multiple spot array.
5. a kind of multispectral reflective parallel light pipe according to claim 1 and 2, it is characterised in that the parallel light tube
Emergent pupil aperture maximum can reach the mm of φ 1200.
6. a kind of multispectral reflective parallel light pipe according to claim 1 and 2, it is characterised in that the parallel light tube
Effective focal length be 500-10000 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611253370.1A CN106644412A (en) | 2016-12-30 | 2016-12-30 | Multispectral reflection type collimator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611253370.1A CN106644412A (en) | 2016-12-30 | 2016-12-30 | Multispectral reflection type collimator |
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| Publication Number | Publication Date |
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| CN106644412A true CN106644412A (en) | 2017-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611253370.1A Pending CN106644412A (en) | 2016-12-30 | 2016-12-30 | Multispectral reflection type collimator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109100876A (en) * | 2018-07-24 | 2018-12-28 | 北京晶品特装科技有限责任公司 | More parallel regulating devices of optical axis and the parallel adjusting method of more optical axises |
| CN110018547A (en) * | 2018-01-09 | 2019-07-16 | 北京振兴计量测试研究所 | The passive athermal device of machinery for wide temperature range infrared collimator |
| CN110440828A (en) * | 2019-08-14 | 2019-11-12 | 中国科学院长春光学精密机械与物理研究所 | A kind of infinity target generator of automatically replaceable target |
| CN110955015A (en) * | 2019-12-19 | 2020-04-03 | 中国科学院长春光学精密机械与物理研究所 | Wide-temperature-adaptability collimator reflector supporting structure |
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| CN103777350A (en) * | 2014-02-12 | 2014-05-07 | 北京空间机电研究所 | Coaxial three-mirror zooming optical system based on photoisomerization materials |
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| CN1885088A (en) * | 2006-05-26 | 2006-12-27 | 中国科学院上海技术物理研究所 | Correction and detection method for surface form of conicoid lens in axis symmetric dual-lens system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110018547A (en) * | 2018-01-09 | 2019-07-16 | 北京振兴计量测试研究所 | The passive athermal device of machinery for wide temperature range infrared collimator |
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| CN109100876A (en) * | 2018-07-24 | 2018-12-28 | 北京晶品特装科技有限责任公司 | More parallel regulating devices of optical axis and the parallel adjusting method of more optical axises |
| CN109100876B (en) * | 2018-07-24 | 2020-09-29 | 北京晶品特装科技有限责任公司 | Multi-optical-axis parallel adjusting device and multi-optical-axis parallel adjusting method |
| CN110440828A (en) * | 2019-08-14 | 2019-11-12 | 中国科学院长春光学精密机械与物理研究所 | A kind of infinity target generator of automatically replaceable target |
| CN110955015A (en) * | 2019-12-19 | 2020-04-03 | 中国科学院长春光学精密机械与物理研究所 | Wide-temperature-adaptability collimator reflector supporting structure |
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