CN106352984B - Spectrum polarizing image projection device and its projecting method - Google Patents
Spectrum polarizing image projection device and its projecting method Download PDFInfo
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- CN106352984B CN106352984B CN201610808695.5A CN201610808695A CN106352984B CN 106352984 B CN106352984 B CN 106352984B CN 201610808695 A CN201610808695 A CN 201610808695A CN 106352984 B CN106352984 B CN 106352984B
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- 238000001228 spectrum Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000010287 polarization Effects 0.000 claims abstract description 37
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 34
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 34
- 239000010703 silicon Substances 0.000 claims abstract description 34
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 33
- 230000003595 spectral effect Effects 0.000 claims abstract description 16
- 230000011514 reflex Effects 0.000 claims description 16
- 238000002474 experimental method Methods 0.000 claims description 10
- 239000006185 dispersion Substances 0.000 claims description 8
- 238000003384 imaging method Methods 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 239000013598 vector Substances 0.000 description 4
- 238000001514 detection method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000012937 correction Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
- G01J3/2823—Imaging spectrometer
Abstract
The invention discloses a kind of spectrum polarizing image projection device and its projecting method, including spectral engine, space engine and polarization engine.Spectral engine includes setting gradually light source, the first image-forming objective lens, diaphragm, the first collimator objective, grating, the second image-forming objective lens, the first DMD, the first speculum and the second speculum along light path.Space engine includes setting gradually even beam device, the second collimator objective, the 3rd speculum, the second DMD, the 4th speculum and the 3rd image-forming objective lens along light path.Polarization engine includes setting gradually polarizer, the first Amici prism, the first liquid crystal on silicon spatial light modulator, the second Amici prism, the second liquid crystal on silicon spatial light modulator, the 4th image-forming objective lens and detector along light path.The projected image that the present invention obtains has continuous spectrum, can simulate the scene with spectrum and polarization information in reality；And the devices such as liquid crystal on silicon spatial light modulator, Amici prism are introduced, the full Stokes polarization information image of simulated target can be obtained.
Description
Technical field
The invention belongs to optical instrument field, and in particular to a kind of spectrum polarizing image projection device and its projecting method.
Background technology
High spectrum image projecting apparatus is a kind of EO-1 hyperion target generation technique that new development in recent years is got up, the proposition of the technology
A kind of economic, practical and effective solution route is provided for hyperspectral imager detection, assessment and gamma correction.EO-1 hyperion
The high spectrum image that image projector constructs each pixel spectra random combine by spatial light modulation technology is used to simulate very
Real field scape, its work(is realized by being detected the EO-1 hyperion detection data analysis of spectrometer and reference spectrometer to same analog image
Energy.
In recent years, such technology is studied both at home and abroad.Wherein, the height based on DMD, dispersing prism
Spectrum picture projection arrangement, the scene image of device projection can simulate real target environment, side by side except external environment condition
Interference, the cost of outdoor scene calibration is reduced, but do not incorporate polarization information in the spectrum picture obtained, to hyperspectral imager
Test evaluation capacity have much room for improvement.
The content of the invention
It is an object of the invention to provide a kind of spectrum polarizing image projection device and its projecting method, solves acquisition mesh
The spectral information and polarization information of logo image, to spectrum imaging system verify the technical problem of assessment.
The technical solution for realizing the object of the invention is：A kind of spectrum polarizing image projection device, including set gradually
Spectral engine, space engine and polarization engine, wherein spectral engine include set gradually along light path light source, first imaging thing
Mirror, diaphragm, the first collimator objective, grating, the second image-forming objective lens, the first DMD, the first speculum and the second reflection
Mirror, space engine include even beam device, the second collimator objective, the 3rd speculum, the second digital micromirror device set gradually along light path
Part, the 4th speculum and the 3rd image-forming objective lens；Polarization engine include set gradually along light path polarizer, the first Amici prism,
First liquid crystal on silicon spatial light modulator, the second Amici prism, the second liquid crystal on silicon spatial light modulator, the 4th image-forming objective lens and
Detector.
In the spectral engine, common optical axis sets gradually light source, the first image-forming objective lens, diaphragm, the first collimator objective and light
Grid, the second image-forming objective lens and the first DMD are successively set on the reflected light path of grating, and the first speculum is positioned at the
The reflected light path of one DMD, the second speculum are located at the reflected light path of the first speculum, and space engine is located at second
The reflected light path of speculum.
In the space engine, common optical axis sets gradually even beam device, the second collimator objective and the 3rd speculum, even beam device position
In on the reflected light path of the second speculum, the second DMD is located on the reflected light path of the 3rd speculum, the 4th reflection
Mirror is located on the reflected light path of the second DMD, and the 3rd image-forming objective lens are located on the reflected light path of the 4th speculum, partially
The engine that shakes is located at the 3rd image-forming objective lens rear.
In the polarization engine, common optical axis sets gradually polarizer and the first Amici prism, and polarizer is positioned at the 3rd imaging
Object lens rear, the first liquid crystal on silicon spatial light modulator are located on the reflected light path of the first Amici prism, the second Amici prism position
In on the transmitted light path of the first Amici prism, the second liquid crystal on silicon spatial light modulator is located at the reflected light path of the second Amici prism
On, the 4th image-forming objective lens and detector are successively set on the transmitted light path of the second Amici prism.
It is as follows based on the projecting method of spectrum polarizing image projection device, method and step：
Step 1, the incident beam from light source are imaged in its image planes by the first image-forming objective lens, are incident to after diaphragm
Collimator objective, collimated light beam is formed, grating is incided in the form of collimated light beam dispersion occurs.
Light beam after step 2, dispersion incides the first DMD by the second image-forming objective lens, is transmitted by computer
One-dimensional spectral signal to the first DMD then controls the yawing moment of its micro mirror, and a part of micro mirror turns clockwise
12 ° and by test needed for light beam reflex to the first speculum, reflex to the second speculum through the first speculum, and enter space
Engine, another 12 ° of reflection remainder light beams of some micromirrors rotate counterclockwise.
Light beam needed for step 3, above-mentioned experiment enters the even beam device of space engine, and forms standard by the second collimator objective
Collimated optical beam.
Step 4, by the 3rd speculum reflex to the second DMD；It is micro- that second numeral is sent to by computer
Light beam needed for the rotation of the two dimensional image signal control micro mirror of mirror device and reflecting experimental is to the 4th speculum, through the 4th reflection
Mirror reflexes to the 3rd image-forming objective lens, and enters polarization engine.
Light beam needed for step 5, experiment forms light beam, by the first light splitting rib by polarizing the polarizer of engine
The first liquid crystal on silicon spatial light modulator is impinged perpendicularly on after the reflection of mirror to be imaged and reflect, and is transmitted to through the first Amici prism
Two Amici prisms, the second liquid crystal on silicon spatial light modulator is reflexed to through the second Amici prism, the second liquid crystal on silicon spatial light is adjusted
Device processed is imaged and reflected is received by a detector image after the second Amici prism is transmitted through the 4th image-forming objective lens.
Compared with prior art, its remarkable advantage is the present invention：(1) liquid crystal on silicon spatial light modulator, light splitting are introduced
The devices such as prism, the polarization information of target can be obtained.
(2) projected image obtained has continuous spectrum, can simulate the scene with spectrum and polarization information in reality.
Brief description of the drawings
Fig. 1 is the structural representation of the spectrum polarizing image projection device of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
With reference to Fig. 1, a kind of spectrum polarizing image projection device, including set gradually spectral engine, space engine and partially
Shake engine, and wherein spectral engine includes light source 1, the first image-forming objective lens 2, diaphragm 3, the first collimator objective set gradually along light path
4th, grating 5, the second image-forming objective lens 6, the first DMD 7, the first speculum 8 and the second speculum 9, space engine include
Even beam device 10, the second collimator objective 11, the 3rd speculum 12, the second DMD the 13, the 4th set gradually along light path
The image-forming objective lens 15 of speculum 14 and the 3rd；Polarization engine include set gradually along light path polarizer 16, the first Amici prism 17,
First liquid crystal on silicon spatial light modulator 18, the second Amici prism 19, the imaging of the second liquid crystal on silicon spatial light modulator the 20, the 4th
Object lens 21 and detector 22.
In the spectral engine, common optical axis sets gradually light source 1, the first image-forming objective lens 2, diaphragm 3, the first collimator objective 4
With grating 5, the second image-forming objective lens 6 and the first DMD 7 are successively set on the reflected light path of grating 5, the first reflection
Mirror 8 is located at the reflected light path of the first DMD 7, and the second speculum 9 is located at the reflected light path of the first speculum 8, space
Engine is located at the reflected light path of the second speculum 9.
In the space engine, common optical axis sets gradually even beam device 10, the second collimator objective 11 and the 3rd speculum 12, even
Beam device 10 is located on the reflected light path of the second speculum 9, and the second DMD 13 is located at the reflected light of the 3rd speculum 12
Lu Shang, the 4th speculum 14 are located on the reflected light path of the second DMD 13, and the 3rd image-forming objective lens 15 are anti-positioned at the 4th
Penetrate on the reflected light path of mirror 14, polarization engine is located at the rear of the 3rd image-forming objective lens 15.
In the polarization engine, common optical axis sets gradually the Amici prism 17 of polarizer 16 and first, and polarizer 16 is positioned at the
The rear of three image-forming objective lens 15, the first liquid crystal on silicon spatial light modulator 18 are located on the reflected light path of the first Amici prism 17, the
Two Amici prisms 19 are located on the transmitted light path of the first Amici prism 17, and the second liquid crystal on silicon spatial light modulator 20 is located at second
On the reflected light path of Amici prism 19, the 4th image-forming objective lens 21 and detector 22 are successively set on the transmission of the second Amici prism 19
In light path.
It is as follows based on the projecting method of spectrum polarizing image projection device, method and step：
Step 1, the incident beam from light source 1 are imaged in its image planes by the first image-forming objective lens 2, are entered after diaphragm 3
Collimator objective 4 is incident upon, forms collimated light beam, grating 5 is incided in the form of collimated light beam dispersion occurs.
Light beam after step 2, dispersion incides the first DMD 7 by the second image-forming objective lens 6, is passed by computer
The one-dimensional spectral signal for being sent to the first DMD 7 then controls the yawing moment of its micro mirror, a part of micro mirror dextrorotation
Turn 12 ° and the required light beam of experiment is reflexed into the first speculum 8, reflex to the second speculum 9 through the first speculum 8, go forward side by side
Enter space engine, another 12 ° of reflection remainder light beams of some micromirrors rotate counterclockwise.
Light beam needed for step 3, above-mentioned experiment enters the even beam device 10 of space engine, and passes through the shape of the second collimator objective 11
Into collimated light beam.
Step 4, by the 3rd speculum 12 reflex to the second DMD 13；Second number is sent to by computer
Light beam needed for the rotation of the two dimensional image signal control micro mirror of word micro mirror element 13 and reflecting experimental passes through to the 4th speculum 14
4th speculum 14 reflexes to the 3rd image-forming objective lens 15, and enters polarization engine.
Light beam needed for step 5, experiment forms light beam, by the first light splitting by polarizing the polarizer 16 of engine
Impinge perpendicularly on the first liquid crystal on silicon spatial light modulator 18 after the reflection of prism 17 to be imaged and reflect, through the first Amici prism 17
The second Amici prism 19 is transmitted to, the second liquid crystal on silicon spatial light modulator 20, the second silicon are reflexed to through the second Amici prism 19
Base LCD space light modulator 20 is imaged and reflected after the second Amici prism 19 is transmitted through the 4th image-forming objective lens 21 by detector
22 receive image.
Light beam passes through polarizer 16 and two liquid crystal on silicon spatial light modulators successively, when both liquid crystal on silicon spatial lights
The phase-delay quantity of the slide of modulator changes, and can obtain the light beam of six kinds of polarization states, and this six kinds of polarization states are respectively line
Polarization state (level), linear polarization (vertical) ,+45 ° of polarization states, -45 ° of polarization states, right-hand circular polarization, Left-hand circular polarization.
Six kinds of polarization state light beam acquisition modes：Sout=MSin
SoutFor the stokes vectors of emergent light, SinFor the stokes vectors of incident light, M is sytem matrix.
Incident beam passes through polarizer 16 and two liquid crystal on silicon spatial light modulators, the wherein printing opacity of polarizer 16 successively
The angle of axle and reference axis is 0 °, its Muller matrix MLP(0 °) is：
The slide fast axle of first liquid crystal on silicon spatial light modulator 18 and the angle of reference axis are 45 °, and the phase of slide is prolonged
Amount δ late1∈ [0 °, 270 °], its Muller matrix MR(45 °, δ1) as follows：
The slide fast axle of second liquid crystal on silicon spatial light modulator 20 and reference axis angle are 22.5 °, and the phase of slide is prolonged
Amount δ late2∈ [0 °, 180 °], Muller matrix MR(22.5 °, δ2) be：
Slide phase-delay quantity and output light stokes vector correlations such as following table：
| Output light stokes vectors | The phase-delay quantity of two wave plates |
| Linear polarization (level) (1 10 0)T | δ1=0 °, δ2=0 ° |
| Linear polarization (vertical) (1-1 0 0)T | δ1=180 °, δ2=0 ° |
| + 45 ° of polarizations (1 01 0)T | δ1=0 °, δ2=180 ° |
| - 45 ° of polarizations (1 0-1 0)T | δ1=180 °, δ2=180 ° |
| Right-hand circular polarization (1 00 1)T | δ1=90 °, δ2=0 ° |
| Left-hand circular polarization (1 0 0-1)T | δ1=270 °, δ2=0 ° |
Present invention introduces the devices such as liquid crystal on silicon spatial light modulator, Amici prism, can obtain the polarization information of target, obtain
The projected image obtained has continuous spectrum, can simulate the scene with spectrum and polarization information in reality.
Claims (6)
- A kind of 1. spectrum polarizing image projection device, it is characterised in that：Including set gradually spectral engine, space engine and partially Shake engine, and wherein spectral engine includes the light source set gradually along light path（1）, the first image-forming objective lens（2）, diaphragm（3）, it is first accurate Straight object lens（4）, grating（5）, the second image-forming objective lens（6）, the first DMD（7）, the first speculum（8）With the second reflection Mirror（9）, space engine includes the even beam device that is set gradually along light path（10）, the second collimator objective（11）, the 3rd speculum（12）、 Second DMD（13）, the 4th speculum（14）With the 3rd image-forming objective lens（15）；Polarizing engine is included along light path successively The polarizer of setting（16）, the first Amici prism（17）, the first liquid crystal on silicon spatial light modulator（18）, the second Amici prism （19）, the second liquid crystal on silicon spatial light modulator（20）, the 4th image-forming objective lens（21）And detector（22）.
- 2. spectrum polarizing image projection device according to claim 1, it is characterised in that：In the spectral engine, common light Axle sets gradually light source（1）, the first image-forming objective lens（2）, diaphragm（3）, the first collimator objective（4）And grating（5）, the second imaging thing Mirror（6）With the first DMD（7）It is successively set on grating（5）Reflected light path on, the first speculum（8）Positioned at first DMD（7）Reflected light path, the second speculum（9）Positioned at the first speculum（8）Reflected light path, space engine position In the second speculum（9）Reflected light path.
- 3. spectrum polarizing image projection device according to claim 2, it is characterised in that：In the space engine, common light Axle sets gradually even beam device（10）, the second collimator objective（11）With the 3rd speculum（12）, even beam device（10）Positioned at the second reflection Mirror（9）Reflected light path on, the second DMD（13）Positioned at the 3rd speculum（12）Reflected light path on, the 4th reflection Mirror（14）Positioned at the second DMD（13）Reflected light path on, the 3rd image-forming objective lens（15）Positioned at the 4th speculum（14） Reflected light path on, polarization engine be located at the 3rd image-forming objective lens（15）Rear.
- 4. spectrum polarizing image projection device according to claim 3, it is characterised in that：In the polarization engine, common light Axle sets gradually polarizer（16）With the first Amici prism（17）, polarizer（16）Positioned at the 3rd image-forming objective lens（15）Rear, the One liquid crystal on silicon spatial light modulator（18）Positioned at the first Amici prism（17）Reflected light path on, the second Amici prism（19）Position In the first Amici prism（17）Transmitted light path on, the second liquid crystal on silicon spatial light modulator（20）Positioned at the second Amici prism （19）Reflected light path on, the 4th image-forming objective lens（21）And detector（22）It is successively set on the second Amici prism（19）Transmission In light path.
- 5. spectrum polarizing image projection device according to claim 4, it is characterised in that：From light source（1）Incident light Beam passes through the first image-forming objective lens（2）It is imaged in its image planes, through diaphragm（3）After be incident to collimator objective（4）, form collimated light Beam, grating is incided in the form of collimated light beam（5）Generation dispersion；Light beam after dispersion passes through the second image-forming objective lens（6）Incide First DMD（7）, the first DMD is sent to by computer（7）One-dimensional spectral signal then control its micro- The yawing moment of mirror, a part of micro mirror turn clockwise 12 ° and by test needed for light beam reflex to the first speculum（8）, warp First speculum（8）Reflex to the second speculum（9）, and entering space engine, another 12 ° of some micromirrors rotate counterclockwise reflects it Remaining light beam；Light beam needed for experiment enters the even beam device of space engine（10）, and pass through the second collimator objective（11）Form collimated light Beam, by the 3rd speculum（12）Reflex to the second DMD（13）；Second digital micro-mirror is sent to by computer Device（13）Two dimensional image signal control micro mirror rotation and reflecting experimental needed for light beam to the 4th speculum（14）, through Four speculums（14）Reflex to the 3rd image-forming objective lens（15）, and enter polarization engine；Light beam needed for experiment is by polarizing the polarizer of engine（16）, light beam is formed, by the first Amici prism（17） Reflection after impinge perpendicularly on the first liquid crystal on silicon spatial light modulator（18）It is imaged and reflects, through the first Amici prism（17）Thoroughly It is mapped to the second Amici prism（19）, through the second Amici prism（19）Reflex to the second liquid crystal on silicon spatial light modulator（20）, the Two liquid crystal on silicon spatial light modulators（20）It is imaged and reflects through the second Amici prism（19）It is transmitted through the 4th image-forming objective lens（21） Afterwards by detector（22）Receive image.
- 6. the projecting method based on the spectrum polarizing image projection device described in claim 1, it is characterised in that method and step is such as Under：Step 1, from light source（1）Incident beam pass through the first image-forming objective lens（2）It is imaged in its image planes, through diaphragm（3）Afterwards It is incident to collimator objective（4）, collimated light beam is formed, grating is incided in the form of collimated light beam（5）Generation dispersion；Light beam after step 2, dispersion passes through the second image-forming objective lens（6）Incide the first DMD（7）, passed by computer It is sent to the first DMD（7）One-dimensional spectral signal then control the yawing moment of its micro mirror, a part of micro mirror is clockwise The required light beam of experiment is simultaneously reflexed to the first speculum by 12 ° of rotation（8）, through the first speculum（8）Reflex to the second speculum （9）, and enter space engine, another 12 ° of reflection remainder light beams of some micromirrors rotate counterclockwise；Light beam needed for step 3, above-mentioned experiment enters the even beam device of space engine（10）, and pass through the second collimator objective（11）Shape Into collimated light beam；Step 4, by the 3rd speculum（12）Reflex to the second DMD（13）；Second number is sent to by computer Word micro mirror element（13）Two dimensional image signal control micro mirror rotation and reflecting experimental needed for light beam to the 4th speculum （14）, through the 4th speculum（14）Reflex to the 3rd image-forming objective lens（15）, and enter polarization engine；Light beam needed for step 5, experiment is by polarizing the polarizer of engine（16）, light beam is formed, by the first light splitting rib Mirror（17）Reflection after impinge perpendicularly on the first liquid crystal on silicon spatial light modulator（18）It is imaged and reflects, through the first Amici prism （17）It is transmitted to the second Amici prism（19）, through the second Amici prism（19）Reflex to the second liquid crystal on silicon spatial light modulator （20）, the second liquid crystal on silicon spatial light modulator（20）It is imaged and reflects through the second Amici prism（19）It is transmitted through the 4th imaging thing Mirror（21）Afterwards by detector（22）Receive image.
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| CN109188395A (en) * | 2018-07-19 | 2019-01-11 | 合肥工业大学 | A kind of full polarized fringe pipe laser imaging radar device |
| CN109669270B (en) * | 2018-12-29 | 2021-10-29 | 贝耐特光学科技（昆山）有限公司 | Spectrum selection device and optical equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002258212A (en) * | 2001-03-02 | 2002-09-11 | Ricoh Co Ltd | Lighting system for projector |
| CN101349856A (en) * | 2007-07-20 | 2009-01-21 | 鸿富锦精密工业（深圳）有限公司 | Projecting system and color temperature regulation method thereof |
| JP2011090069A (en) * | 2009-10-21 | 2011-05-06 | Sharp Corp | Projector |
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| JP2007226092A (en) * | 2006-02-27 | 2007-09-06 | Seiko Epson Corp | Manufacturing method of optical element, manufacturing method of projector, the optical element, and the projector |
| CN101408678B (en) * | 2007-10-11 | 2010-12-08 | 鸿富锦精密工业（深圳）有限公司 | Stereo projection optical system |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002258212A (en) * | 2001-03-02 | 2002-09-11 | Ricoh Co Ltd | Lighting system for projector |
| CN101349856A (en) * | 2007-07-20 | 2009-01-21 | 鸿富锦精密工业（深圳）有限公司 | Projecting system and color temperature regulation method thereof |
| JP2011090069A (en) * | 2009-10-21 | 2011-05-06 | Sharp Corp | Projector |
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