CN110376732A - A kind of binary channels Infrared scene simulation with image device device - Google Patents
A kind of binary channels Infrared scene simulation with image device device Download PDFInfo
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- CN110376732A CN110376732A CN201910707751.XA CN201910707751A CN110376732A CN 110376732 A CN110376732 A CN 110376732A CN 201910707751 A CN201910707751 A CN 201910707751A CN 110376732 A CN110376732 A CN 110376732A
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/30—Transforming light or analogous information into electric information
- H04N5/33—Transforming infrared radiation
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Abstract
A kind of binary channels Infrared scene simulation with image device device, including interference source component, target source component, light combination mirror and mirror assembly of looking in the distance；Interference source component includes the interference source black matrix set gradually, iris diaphgram, pendulum mirror and interference source objective lens；Target source component includes the Resistor Array Projector component set gradually and target source objective lens；After the energy that the energy of interference source black body radiation and Resistor Array Projector component radiate is closed beam by light combination mirror, transmitting to mirror assembly of looking in the distance, and mirror assembly of being looked in the distance projects at emergent pupil.Above-mentioned binary channels Infrared scene simulation with image device device, can provide and penetrate characteristic and thermal-induced imagery according to the infrared good fortune of theoretical model calculating and generation target and background, and simulation DIFFERENT METEOROLOGICAL CONDITIONS, different good fortune penetrate under background, different target thermal-induced imagery.Controllable precise, repeatable experimental condition are provided for the detection and assessment of infrared acquisition and sensing equipment in laboratory, so that realizing comprehensive test and evaluation to its performance in the development stage.
Description
Technical field
The present invention relates to optical technical field more particularly to a kind of binary channels Infrared scene simulation with image device devices.
Background technique
For infrared detection system, in order to verify and evaluate the index request whether its performance reaches design, must be showed
Field test.However infrared acquisition or sensing equipment are often placed in true environment by field test, utilize true mesh
Mark is tested, and due to being limited by actual conditions, to the measurement data of target and environment, it is not complete enough to cannot get experimental data
Face.In addition, it also suffers from the limitation of the environment such as weather, primary test can only obtain limited data again.
Summary of the invention
In consideration of it, in order to overcome the drawbacks of the prior art and problem, it is necessary to it is more comprehensive to provide a kind of test data
Binary channels Infrared scene simulation with image device device.
A kind of binary channels Infrared scene simulation with image device device, including interference source component, target source component, light combination mirror and telescope
Component；
The interference source component includes the interference source black matrix set gradually, iris diaphgram, pendulum mirror and interference source objective lens, institute
The energy for stating interference source black body radiation passes through the iris diaphgram and is emitted to the pendulum mirror, is emitted to institute after pendulum mirror reflection
Interference source objective lens are stated, are emitted after sequentially passing through the interference source objective lens and the light combination mirror；
The target source component includes the Resistor Array Projector component set gradually and target source objective lens, the Resistor Array Projector component spoke
The energy penetrated passes through the target source objective lens and emits to the light combination mirror, is emitted after light combination mirror reflection；
After the energy that the energy of the interference source black body radiation and the Resistor Array Projector component radiate is closed beam by the light combination mirror,
Emit to the mirror assembly of looking in the distance, and mirror assembly of looking in the distance described in warp projects at emergent pupil.
In one embodiment, the interference source black matrix is uniform area light source.
In one embodiment, the interference source component further includes the first chopper, and first chopper is set to described
Between iris diaphgram and the pendulum mirror.
In one embodiment, the target source component further includes the second chopper, and second chopper is set to described
Between Resistor Array Projector component and the target source objective lens.
In one embodiment, the surface of the light combination mirror is equipped with deielectric-coating.
In one embodiment, the pendulum mirror, the interference source objective lens, the light combination mirror and the mirror assembly of looking in the distance are set
In in first straight line；
The Resistor Array Projector component and the target source objective lens are set in second straight line；
The first straight line and the second straight line are vertically arranged.
In one embodiment, the surface of all lens of the interference source objective lens is equipped with anti-reflection film；
The surface of all lens of the mirror assembly of looking in the distance is equipped with anti-reflection film；
The surface of all lens of the target source objective lens is equipped with anti-reflection film.
In one embodiment, the material of all lens of the interference source objective lens is germanium or silicon.
In one embodiment, the material of all lens of the mirror assembly of looking in the distance is germanium or silicon.
In one embodiment, the material of all lens of the target source objective lens is germanium or silicon.
Above-mentioned binary channels Infrared scene simulation with image device device is target source and the integrated IR Scene mould of interference source binary channels
Quasi- device device, including target source simulator optical system and interference source simulator optical system.Target source simulator optical system
Dynamic analog for target scene.Interference source simulator optical system for realizing field scene simulation, to assess photoelectricity
Equipment performance.Above-mentioned binary channels Infrared scene simulation with image device device can provide and target and background is calculated and generated according to theoretical model
Infrared good fortune penetrate characteristic and thermal-induced imagery, simulation DIFFERENT METEOROLOGICAL CONDITIONS, different good fortune penetrate infrared heat under background, different target
Image.Controllable precise, repeatable experimental condition are provided for the detection and assessment of infrared acquisition and sensing equipment in laboratory,
So that realizing comprehensive test and evaluation to its performance in the development stage.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the binary channels Infrared scene simulation with image device device of an embodiment.
Fig. 2 is the structural schematic diagram of the target source simulator optical system of above-mentioned binary channels Infrared scene simulation with image device device.
Fig. 3 is the structural schematic diagram of the interference source simulator optical system of above-mentioned binary channels Infrared scene simulation with image device device.
Fig. 4 is the optical transfer function figure of target source simulator optical system shown in Fig. 2.
Fig. 5 is the optical transfer function figure of interference source simulator optical system shown in Fig. 3.
Fig. 6 is the distortion curve of target source simulator optical system shown in Fig. 2.
Fig. 7 is the distortion curve of interference source simulator optical system shown in Fig. 3.
Specific embodiment
In order to be more clear the objectives, technical solutions, and advantages of the present invention, with reference to the accompanying drawings and embodiments, to this hair
It is bright to be further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and do not have to
It is of the invention in limiting.It is described in the present invention to be fixedly connected, including be directly fixedly connected and fix indirectly.
Referring to FIG. 1, the binary channels Infrared scene simulation with image device device of an embodiment, including interference source component, target source
Component, light combination mirror 4 and mirror assembly of looking in the distance.
Interference source component includes the interference source black matrix 1 set gradually, iris diaphgram 2, puts mirror 10 and interference source objective lens 6,
The energy that interference source black matrix 1 radiates passes through iris diaphgram 2 and is emitted to pendulum mirror 10, is emitted to interference source object lens after pendulum mirror 10 reflects
Group 6, is emitted after sequentially passing through interference source objective lens 6 and light combination mirror 4.
Target source component includes the Resistor Array Projector component 5 set gradually and target source objective lens 9, what Resistor Array Projector component 5 radiated
Energy passes through target source objective lens 9 and emits to light combination mirror 4, is emitted after the reflection of light combination mirror 4.
After the energy that light combination mirror 4 radiates the energy that interference source black matrix 1 radiates and Resistor Array Projector component 5 closes beam, transmitting to prestige
Remote mirror assembly, and mirror assembly of being looked in the distance projects at emergent pupil.
Above-mentioned binary channels Infrared scene simulation with image device device, the spoke in the form of point light source after iris diaphgram 2 of interference source black matrix 1
Energy is penetrated, the simulation of different incidence angles can be carried out by being put mirror 10, into after interference source objective lens 6, then through light combination mirror 4 and target source
Optical path projects at emergent pupil by mirror assembly of looking in the distance altogether.Target source light path is similar with interference source, the medium wave that Resistor Array Projector component 5 radiates
It is infrared to form directional light after target source objective lens 9, then be total to interference source after the reflection of light combination mirror 4 optical path and looked in the distance mirror assembly throwing
It is mapped at emergent pupil, is received by a detector.
Above-mentioned binary channels Infrared scene simulation with image device device is target source and the integrated IR Scene mould of interference source binary channels
Quasi- device device, including target source simulator optical system and interference source simulator optical system, are total to optical path using refraction type part
System.Target source simulator optical system includes look in the distance mirror assembly, light combination mirror 4 and target source component, for the dynamic of target scene
Morphotype is quasi-.Interference source simulator optical system includes look in the distance mirror assembly, light combination mirror 4 and interference source component, is done to target scene
Simulation is disturbed, for realizing the simulation of field scene, to assess optoelectronic device performance.Mirror assembly of looking in the distance is target source simulator optics
System and interference source simulator optical system common optical pathways part.
Above-mentioned binary channels Infrared scene simulation with image device device can provide and target and background is calculated and generated according to theoretical model
Infrared good fortune penetrates characteristic and thermal-induced imagery, and simulation DIFFERENT METEOROLOGICAL CONDITIONS, different good fortune penetrate under background, different target infrared chart
Picture.Controllable precise, repeatable experimental condition are provided for the detection and assessment of infrared acquisition and sensing equipment in laboratory, is made
It obtains and realizes comprehensive test and evaluation to its performance in the development stage.Using infrared target simulator generate infrared image detection and
Infrared acquisition and sensing equipment are assessed, not only facilitates feasible but also cheap, a large amount of experiment fees can be saved.
In one embodiment, mirror assembly of looking in the distance includes that the first microscope group 7 and second of looking in the distance is looked in the distance microscope group 8.
In the embodiment shown in fig. 1, mirror 10 is put, interference source objective lens 6, light combination mirror 4 and mirror assembly of looking in the distance are set to the
On one straight line.Resistor Array Projector component 5 and target source objective lens 9 are set in second straight line.First straight line and second straight line are vertically arranged.
The miniaturization of above-mentioned binary channels Infrared scene simulation with image device device may be implemented using optical path of turning back in this set.
In the embodiment shown in fig. 1, target source component further includes optical filter 12, is set to Resistor Array Projector component 5 and target source
Between objective lens 9, end for operating spectral wave band.
In the embodiment shown in fig. 1, interference source black matrix 1 is uniform area light source.
In the embodiment shown in fig. 1, interference source component further includes the first chopper 3, and the first chopper 3 is set to can darkening
Between door screen 2 and pendulum mirror 10.Shutter of first chopper 3 as interference source component, for realizing interference source analog switch state control
System.
In the embodiment shown in fig. 1, the surface of all lens of interference source objective lens 6 is equipped with anti-reflection film.Telescope
The surface of all lens of component is equipped with anti-reflection film.The surface of all lens of target source objective lens 9 is equipped with anti-reflection film.Thoroughly
One layer of anti-reflection film is plated on each surface of mirror, be can effectively improve the utilization rate that infrared good fortune is penetrated, is reduced the reflection of element surface,
To inhibit optical system veiling glare.
In the embodiment shown in fig. 1, the surface of light combination mirror 4 is equipped with deielectric-coating.
Light combination mirror 4 is selected according to the wave band for the energy that carry out closing beam.Deielectric-coating is to be coated with deielectric-coating.In light combination mirror
Deielectric-coating, the conjunction beam for interference source and target source is arranged in 4 surface.
In the embodiment shown in fig. 1, the material of all lens of interference source objective lens 6 is germanium or silicon.
In the embodiment shown in fig. 1, the material of all lens of mirror assembly of looking in the distance is germanium or silicon.
In the embodiment shown in fig. 1, the material of all lens of target source objective lens 9 is germanium or silicon.
Germanium is a kind of inert material, has good spectral transmission performance in wave band, while being additionally contemplates that its hardness height, leads
It is hot good, it is not soluble in water, there is good mechanical performance and heating conduction.Silicon is also a kind of chemical inert material, and hardness is high, no
It is dissolved in water, and cheap, it is preferable in wave band through performance.Following table show the thermal characteristics and light characteristic ginseng of material therefor
Number.
| Material | Refractive index (3 μm) | Refractive index (5 μm) | dn/dt(×10-6) | Thermal expansion coefficient (× 10-6) |
| Germanium | 4.0451 | 4.0160 | 408 | 6.1 |
| Silicon | 3.432 | 3.422 | 160 | 4.15 |
As shown in Fig. 2, target source simulator optical system includes three parts, along light transmission direction, respectively by preposition
Colimated light system, light combination mirror 23 and postposition focal imaging object lens, eventually arrive at resistance array detector.The optical system uses refraction type
Optical system structure is designed, and one layer of anti-reflection film is plated on each surface of lens.Wherein, preposition colimated light system includes first
Piece lens 21 and first lens 22.Postposition focal imaging object lens include target source objective lens, and target source objective lens include lens
24 and lens 25.
When target source simulator optical system optimizes, it is contemplated that optical projection system bore is bigger, to saturating when processing
The center thickness and edge thickness of mirror have certain requirement, need to limit the edge thickness of lens.Limitation first is thoroughly
The edge thickness of mirror 21 and third piece lens 24, the center thickness of second lens 22, while limiting the focal length of system.With each member
Part radius and with a thickness of variable, is corrected each aberration of optical projection system, obtains optical system structure.
In view of there are one light combination mirrors between preposition colimated light system and postposition focal imaging object lens, it must will close beam system and press
Optical path expansion, obtains the thickness of equivalent parallel plate, along with the spacing closed between beam system and lens, while considering light combination mirror
The influence of 23 pairs of aberrations, to optimize.
As shown in figure 3, interference source simulator optical system includes three parts, along light transmission direction, respectively by preposition
Colimated light system, light combination mirror 33 and postposition focal imaging object lens, eventually arrive at jamming light source.Wherein, preposition colimated light system includes the
A piece of lens 31 and second lens 32.Postposition focal imaging object lens include lens 34 and lens 35.Interference source simulator optics
The design method of system is such as the design method of target source simulator optical system, and details are not described herein.
As shown in Figure 4 and Figure 5, respectively above-mentioned target source simulator optical system and interference source simulator optical system
Optical transfer function figure.Optical transfer function be using spatial frequency as the function of the modulation degree of the picture of the transmitting of variable and phase shift,
It is the general name of amplitude transfer function and position phase transmission function.It is base with the image quality of optical transfer function evaluation optical system
Regard as in object by the spectral composition of various frequencies, that is, the optical field distribution function of object is opened up Jian into Fourier grade
Several or fourier integral form.The transmission capacity of optical transfer function reactant different frequency ingredient, in general, high frequency
The details of part reflection object transmits situation, and intermediate-frequency section reflects that the level of object transmits situation, and low frequency part reflects object
Profile transmits situation.For imaging optical system, influence image quality is amplitude transfer function, therefore we generally only examine
Consider.It is the ratio as modulation degree and object modulation degree, modulation degree is defined as the difference of maximum intensity and minimum strength than upper maximum intensity
The sum of with minimum strength.The meridian transmission function and sagitta of arc transmission function of optical projection system, the transfer curve of each visual field.From
It will be seen that entire transfer curve meets optical specifications in figure, image quality is fine.
As shown in Figure 6 and Figure 7, respectively above-mentioned target source simulator optical system and interference source simulator optical system
Distortion curve.Distortion leads to the height of chief ray and Gauss image planes since off-axis point angle pencil of ray and light pencil are with the presence of aberration
Not equal to ideal image height, difference is exactly to distort.Distortion Producing reason be the spherical aberration of chief ray with the change of field angle and
Difference, thus on the principal plane of a pair of conjugation, magnifying power changes with visual field, is being not a constant.Optical system
Distortion is divided into two class of pincushion distortion and barrel distortion.Distortion does not influence the clarity of imaging, but the presence to distort can change picture
Shape, lead to the distortion of picture.Figure show the distortion of optical projection system, from the figure we can see that, target source simulator light
The aberration control of system is not very big on image quality influence within 0.5%；The distortion of interference source simulator optical system
Control is not very big on image quality influence within 0.6%；
Above-mentioned binary channels Infrared scene simulation with image device device is, it can be achieved that real-time, dynamic analog real scene situation of change.On
The image for stating the generation of binary channels Infrared scene simulation with image device device has high spatial resolution, high frame frequency, no dead picture dot and has
There are higher tonal gradation and better spatially uniform.Above-mentioned binary channels Infrared scene simulation with image device device field angle is larger, can
Reach 6 ° or so；Image quality is preferable, and distortion is better than 0.5%；Center of energy and chief ray deviation are due to 7 ", optical system collimation
Property precision be better than 10 "；Above-mentioned binary channels Infrared scene simulation with image device device belongs to binary channels integrated design, compact-sized, volume
It is smaller.
The above is only the preferred embodiment of the present invention, it is noted that for those skilled in the art,
Without departing from the principles of the invention, several improvements and modifications can also be made, these improvements and modifications also should be regarded as this hair
Bright protection scope.
Claims (10)
1. a kind of binary channels Infrared scene simulation with image device device, which is characterized in that including interference source component, target source component, close beam
Mirror and mirror assembly of looking in the distance；
The interference source component includes the interference source black matrix set gradually, iris diaphgram, puts mirror and interference source objective lens, described dry
The energy for disturbing source black body radiation passes through the iris diaphgram and is emitted to the pendulum mirror, is emitted to after pendulum mirror reflection described dry
Source objective lens are disturbed, are emitted after sequentially passing through the interference source objective lens and the light combination mirror；
The target source component includes the Resistor Array Projector component set gradually and target source objective lens, the Resistor Array Projector component radiation
Energy passes through the target source objective lens and emits to the light combination mirror, is emitted after light combination mirror reflection；
After the energy that the energy of the interference source black body radiation and the Resistor Array Projector component radiate is closed beam by the light combination mirror, transmitting
The extremely described mirror assembly of looking in the distance, and mirror assembly of looking in the distance described in warp projects at emergent pupil.
2. binary channels Infrared scene simulation with image device device as described in claim 1, which is characterized in that the interference source black matrix is equal
Even area source.
3. binary channels Infrared scene simulation with image device device as described in claim 1, which is characterized in that the interference source component also wraps
The first chopper is included, first chopper is set between the iris diaphgram and the pendulum mirror.
4. binary channels Infrared scene simulation with image device device as described in claim 1, which is characterized in that the target source component also wraps
The second chopper is included, second chopper is set between the Resistor Array Projector component and the target source objective lens.
5. binary channels Infrared scene simulation with image device device as described in claim 1, which is characterized in that the surface of the light combination mirror is set
There is deielectric-coating.
6. binary channels Infrared scene simulation with image device device as described in claim 1, which is characterized in that the pendulum mirror, the interference
Source objective lens, the light combination mirror and the mirror assembly of looking in the distance are in first straight line；
The Resistor Array Projector component and the target source objective lens are set in second straight line；
The first straight line and the second straight line are vertically arranged.
7. binary channels Infrared scene simulation with image device device as described in claim 1, which is characterized in that the interference source objective lens
The surface of all lens is equipped with anti-reflection film；
The surface of all lens of the mirror assembly of looking in the distance is equipped with anti-reflection film；
The surface of all lens of the target source objective lens is equipped with anti-reflection film.
8. binary channels Infrared scene simulation with image device device as described in claim 1, which is characterized in that the interference source objective lens
The material of all lens is germanium or silicon.
9. binary channels Infrared scene simulation with image device device as described in claim 1, which is characterized in that the institute of the mirror assembly of looking in the distance
The material for having lens is germanium or silicon.
10. binary channels Infrared scene simulation with image device device as described in claim 1, which is characterized in that the target source objective lens
The materials of all lens be germanium or silicon.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113452436A (en) * | 2021-06-07 | 2021-09-28 | 中国科学院上海光学精密机械研究所 | Dynamic target and interference simulation device for space laser link capture and tracking |
| CN114353961A (en) * | 2021-12-01 | 2022-04-15 | 北京仿真中心 | Infrared broadband large dynamic complex imaging target and interference simulation device |
-
2019
- 2019-08-01 CN CN201910707751.XA patent/CN110376732A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113452436A (en) * | 2021-06-07 | 2021-09-28 | 中国科学院上海光学精密机械研究所 | Dynamic target and interference simulation device for space laser link capture and tracking |
| CN113452436B (en) * | 2021-06-07 | 2022-06-28 | 中国科学院上海光学精密机械研究所 | Dynamic target and interference simulation device for space laser link capture |
| CN114353961A (en) * | 2021-12-01 | 2022-04-15 | 北京仿真中心 | Infrared broadband large dynamic complex imaging target and interference simulation device |
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