CN108873321A - Ultra-thin high resolution flat imaging detection system based on interference - Google Patents
Ultra-thin high resolution flat imaging detection system based on interference Download PDFInfo
- Publication number
- CN108873321A CN108873321A CN201810649281.1A CN201810649281A CN108873321A CN 108873321 A CN108873321 A CN 108873321A CN 201810649281 A CN201810649281 A CN 201810649281A CN 108873321 A CN108873321 A CN 108873321A
- Authority
- CN
- China
- Prior art keywords
- lens
- radial stripes
- array
- lenslet
- round
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- G02B27/0012—Optical design, e.g. procedures, algorithms, optimisation routines
Abstract
The invention discloses a kind of ultra-thin high resolution flat imaging detection system based on interference, it is few mainly to solve lens array frequency collection point in existing imaging detection system, the ropy problem of system imaging.It includes lens array, photonic integrated circuits, digital signal processor and image reconstruction module, lens array is embedded in fixed plate, photonic integrated circuits are located on the focal plane of lens array, lens array is made of a round lens and several radial stripes lens, radial stripes lens are arranged in round lens external radiation, there are several lenslets on each radial stripes lens, radial stripes lens are embedded in disc fixed plate, Wheel-type lens array is formed, fills up round lens among Wheel-type lens array.The present invention effectively increases medium-high frequency information gathering point number, improves system imaging quality, can be used for Space surveillance, monitoring early warning and space situation awareness.
Description
Technical field
The invention belongs to optical image technology field, in particular to a kind of ultra-thin high resolution flat imaging detection system,
It can be used for Space surveillance, monitoring early warning, space situation awareness and astronomical observation.
Background technique
In recent years, the photonic integrated circuits technology and interference imaging technology of rapid development are to develop high resolution flat to look in the distance
Mirror system provides possibility.Ultra-thin high resolution flat imaging method based on interference is exactly a kind of using photonic integrated circuits skill
Art realizes the change new concept of high-resolution optical interference reconstruct imaging, it has also become advanced optical remote sensing imaging technique development
Important front edge direction.
Ultra-thin high resolution flat imaging method based on principle of interference is intended to be greatly decreased compared with conventional electrophotographic system
Size, weight and the power of imaging system, and obtain high-definition picture.The imaging method is by photonic integrated circuits technology benefit
With miniature interference array instead of the bulky optical telescope of volume and digital focus planar detector array, to carry out interferometer
It is counted as picture, can avoid manufacture, polishing, the calibration of Large optical system；The volume, weight and function of imaging system can be greatly reduced
Consumption, period, integrated and test complexity；Imaging can be recorded as idiot camera, without considering focusing；And lens array
Column arrangement flexible design, can be good at the carrier platform for adapting to various shapes, is suitable for a variety of aware platforms.
Ultra-thin high resolution flat imaging concept based on principle of interference derives from Lockheed Martin in 2013 earliest
Company propose serve photoelectronic imaging scouting segmented flat panel imaging concept, the imaging system be intended to be greatly decreased photoelectricity at
As the size, weight and power of system, and high-definition picture is obtained, which is encapsulated in integreted phontonics electricity by many
The device composition of white light interference is directly detected in road, to measure the amplitude and phase of coherent coefficient.Segmented flat panel imaging is general
It reads and replaces tradition to look in the distance using the photonic integrated circuits structure of standard lithographic complementary metal oxide semiconductor fabrication technique
Large size optical device and mechanical structure necessary to mirror.The imaging concept needs strict control to grind unlike Traditional photovoltaic telescopic system
Process and harsh environment condition processed, this revolutionary concept are similar to ultra-thin television and replace the biggish television set of traditional volume,
The distinguished ultra-thin remotely sensed image epoch will be opened, the new way as ultralight ultra-thin heavy caliber remote-sensing imaging system development is expected to
Diameter.
The country has preferably in the synthetic aperture interference imaging theory of radio telescope and optical telescope and technical aspect
It accumulates, but relatively fewer for the research of the ultra-thin high resolution flat imaging detection system based on interference, at present flat panel imaging
The generally existing poor contrast of the reconstructed image quality of system, information loss, the defect of lack of resolution.Tsinghua University Chu
The Numerical that qiuhui, Shen yijie, Yuan Meng et al. is delivered on Optics Communications
simulation and optimal design of Segmented Planar Imaging Detector for
Electro-Optical Reconnaissance proposes a kind of flat panel imaging detection system baseline to adjustable method, and
The spectrum channel number of matching method and increase array waveguide grating is mentioned by adjusting nyquist interval, optimization baseline
The image quality of flat panel imaging detection system has been risen, but still there is a problem of that poor image quality, high-frequency information lose serious, shadow
Acoustic system image quality.
Summary of the invention
It is an object of the invention in view of the above shortcomings of the prior art, propose a kind of ultra-thin high-resolution based on interference
The optimum design method of flat panel imaging detection system, with by filling up round lens among radial stripes lens, by photon collection
It is combined at circuit engineering with conventional lenses technology of preparing, improves the number of medium-high frequency information gathering point, reduced information and lose, have
Effect improves image quality.
To achieve the above object, the present invention includes：Lens array, photonic integrated circuits, digital signal processor and image
Rebuild module, lens array is embedded in fixed plate, and photonic integrated circuits are located on the focal plane of lens array, lens array by
Several radial stripes lens composition, is distributed in Wheel-type, it is characterised in that：Fill up round saturating among radial stripes lens 1
Mirror 2, radial stripes lens 1 are arranged in 2 external radiation of round lens.
Further, radial stripes lens 1 are arranged in 2 external radiation of round lens, are set on each radial stripes lens 1
There are several lenslets 3, the arrangement of each lenslet 3 linear battle array.
Further, the radius R of round lens 2 is calculate by the following formula：
Wherein, r is the radius of lenslet 3, and m is the lenslet after filling up round lens 2 on occupied radial stripes lens 1
3 numbers, m=0,1,2,3 ... n, n are the numbers of lenslet 3 on radial stripes lens 1, α be two radial stripes lens 1 it
Between angle, size be 2 π/p, p is the number of radial stripes lens 1.
Further, 3 position of lenslet on each radial stripes lens 1 is calculate by the following formula：
Wherein (xlens(i,j),ylens(i, j)) it is corresponding i-th of lenslet, 3 center of circle of j-th strip radial stripes lens 1
Position coordinates, radius of the R for round lens 2, interval of the D between two neighboring lenslet 3 on radial stripes lens 1, j=1,
2 ... p, i=m+1, m+2 ... n, n are 3 numbers of lenslet on radial stripes lens 1.
Further, photonic integrated circuits include：Waveguide array, four quadrature detectors of array waveguide grating and balance；Far
Apart from scene radiant light field after lens array converges, space dimension light splitting is carried out by corresponding waveguide array, is transmitted further to battle array
Train wave guide grating carries out spectrum and exports quasi-monochromatic light, and different baseline quasi-monochromatic lights are relevant by four quadrature detectors of balance
Superposition, obtains interference fringe, digital signal processor extracts amplitude and phase information from interference fringe, obtains U-V frequency spectrum and covers
Lid, then image quality reconstruction is completed by image reconstruction module.
The present invention acquires low frequency letter due to filling up round lens on existing radial stripes lens array, by round lens
Breath acquires medium-high frequency information by radial stripes lens, increases adopting for information compared with existing lens array lens array
Collect point, improves the picture quality of imaging.
Detailed description of the invention
Fig. 1 is that the present invention is based on the structural block diagrams of the ultra-thin high resolution flat imaging detection system of interference；
Fig. 2 is the lens array distribution schematic diagram in existing flat panel imaging detection system；
Fig. 3 is the radial stripes lens schematic diagram in the present invention；
Fig. 4 is the array structure thereof figure in the present invention；
Fig. 5 is the used fan-shaped target of present invention emulation；
Fig. 6 is the U-V space frequency cover comparison diagram of present system and existing system；
Fig. 7 is the comparative result figure being imaged with present system and existing system.
Specific embodiment
Structure and effect of the invention are described in further detail referring to the drawings.
Referring to Fig.1, the present invention includes lens array, photonic integrated circuits, digital signal processor and image reconstruction module,
Lens array is embedded in fixed plate, and photonic integrated circuits are located on the focal plane of lens array.
The lens array is that round lens 2 are filled up on the basis of existing lens array, and round lens 2 occupy radiation
Part lenslet 3 on strip lens 1, existing lens array distribution is as shown in Fig. 2, its lens array is saturating by 19 radial stripes
Microscope group is at there is 30 lenslets on each radial stripes lens.The radius r that the present invention took but be not limited to lenslet 3 is 3.6mm,
3 number m=6 of lenslet on the radial stripes lens 1 that round lens 2 occupy, 1 number p=19 of radial stripes lens, two spokes
Angle α=2 π/19 between strip lens 1 are penetrated, there are 24 lenslets 3 on each radial stripes lens 1, as shown in figure 3, with this
Based on a little radial stripes lens 1, round lens 2 are filled up therebetween, form lens array, as shown in Figure 4.
The radius R of the round lens 2 is：
The radial stripes lens 1 are arranged in 2 external radiation of round lens, small on each radial stripes lens 1
3 position of mirror is calculate by the following formula：
Wherein (xlens(i,j),ylens(i, j)) it is corresponding i-th of lenslet, 3 center of circle of j-th strip radial stripes lens 1
Position coordinates, the interval D on radial stripes lens 1 between two neighboring lenslet 3 are 7.2mm, j=1,2 ... 19, i=7,
8 ... 30, α be the angle between two radial stripes lens 1, and size is 2 π/19.
The photonic integrated circuits are successively integrated with waveguide array, four quadrature detectors of array waveguide grating and balance.
Working principle of the invention is as follows：
Remote scene radiation light field carries out light beam convergence by different baseline lens arrays, the convergence of different lens pupils face
Light field is transferred to corresponding waveguide array；Waveguide array carries out space dimension coupling light splitting, the wide spectrum spoke of generation to convergence light field
It penetrates field and is transmitted further to array waveguide grating；After array waveguide grating carries out quasi- monochromatic light splitting to the wide spectrum radiation field of transmission, lead to
Four quadrature detector of overbalance is realized to scene with the coherent superposition of object point difference baseline quasi-monochromatic light, and exports interference fringe；
Digital signal processor extracts amplitude and phase information from interference fringe, obtains the covering of U-V frequency spectrum, then pass through image reconstruction mould
Block completes image quality reconstruction.
Effect of the invention can carry out emulation further explanation to imaging process with fan-shaped target shown in fig. 5：
Emulation 1. by digital signal processor to fan-shaped target through balance four quadrature detectors output interference fringe into
Row information is extracted, synthesis U-V spatial frequency spectrum covering, as a result as shown in fig. 6, wherein Fig. 6 (a) is the space U-V of present system
Frequency spectrum covering, Fig. 6 (b) are that the U-V spatial frequency spectrum of existing system covers.
As seen from Figure 6, the frequency collection point of the U-V spatial frequency spectrum covering of present system is more, and information is lost few.
Emulation 2. passes through imaging of the image reconstruction module to fan-shaped target through ultra-thin high resolution flat imaging detection system
Carry out image reconstruction, as a result as shown in fig. 7, wherein Fig. 7 (a) present system image reconstruction as a result, Fig. 7 (b) existing system
The result of image reconstruction.
From fig.7, it can be seen that fan-shaped target is after present system is imaged, the detailed information of reconstruction image is obvious, picture quality
It is good.
To sum up, the present invention is by the optimization to array structure thereof, improves image quality, but the lens array and not only
It is only restricted in the ultra-thin high resolution flat imaging detection system based on interference, it can also be used to optical field imaging system, it is all to be based on
The amendment of inventive concept and inventive concept is used for other ultra-thin high resolution flat imaging detection system based on interference
System is still within the scope of the present invention.
Claims (5)
1. a kind of ultra-thin high resolution flat imaging detection system based on interference, including：Lens array, photonic integrated circuits,
Digital signal processor and image reconstruction module, lens array are embedded in fixed plate, and photonic integrated circuits are located at lens array
Focal plane on, lens array is made of several radial stripes lens, in Wheel-type be distributed, it is characterised in that：In radial stripes
It has been filled up round lens (2) among lens (1), radial stripes lens (1) are arranged in round lens (2) external radiation.
2. the system as claimed in claim 1, it is characterised in that：Radial stripes lens (1) are arranged in round lens (2) external radiation
Column are to be equipped with several lenslets (3) on each radial stripes lens (1), the linearly battle array arrangement of each lenslet (3).
3. the system as claimed in claim 1, it is characterised in that：The radius R of round lens (2) is calculate by the following formula：
Wherein, r is the radius of lenslet (3), m be fill up round lens (2) afterwards occupied by it is small on radial stripes lens (1)
Mirror (3) number, m=0,1,2,3 ... n, n are the numbers of lenslet (3) on radial stripes lens (1), and α is two radial stripes
Angle between lens (1), size are 2 π/p, and p is the number of radial stripes lens (1).
4. the system as claimed in claim 1, it is characterised in that：Lenslet (3) position on each radial stripes lens (1)
It is calculate by the following formula：
Wherein (xlens(i,j),ylens(i, j)) it is corresponding i-th of lenslet (3) center of circle of j-th strip radial stripes lens (1)
Position coordinates, R is the radius of round lens (2), between D is between two neighboring lenslet (3) on radial stripes lens (1)
Every, j=1,2 ... p, i=m+1, m+2 ... n, n are lenslet (3) numbers on radial stripes lens (1).
5. the system as claimed in claim 1, it is characterised in that：Photonic integrated circuits include：Waveguide array, array waveguide grating
And four quadrature detectors of balance；Remote scene radiation light field after lens array converges, by corresponding waveguide array into
The light splitting of row space dimension is transmitted further to array waveguide grating and carries out spectrum and export quasi-monochromatic light, different baseline quasi-monochromatic lights
By balancing four quadrature detector coherent superpositions, interference fringe is obtained, digital signal processor extracts amplitude from interference fringe
And phase information, the covering of U-V frequency spectrum is obtained, then image reconstruction is completed by image reconstruction module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810649281.1A CN108873321A (en) | 2018-06-22 | 2018-06-22 | Ultra-thin high resolution flat imaging detection system based on interference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810649281.1A CN108873321A (en) | 2018-06-22 | 2018-06-22 | Ultra-thin high resolution flat imaging detection system based on interference |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108873321A true CN108873321A (en) | 2018-11-23 |
Family
ID=64340501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810649281.1A Pending CN108873321A (en) | 2018-06-22 | 2018-06-22 | Ultra-thin high resolution flat imaging detection system based on interference |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108873321A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110954966A (en) * | 2019-12-06 | 2020-04-03 | 中国科学院长春光学精密机械与物理研究所 | Planar photoelectric detection system based on superlens array |
| CN111045219A (en) * | 2019-12-28 | 2020-04-21 | 中国科学院长春光学精密机械与物理研究所 | Planar photoelectric detection system based on color separation focusing diffraction optical element |
| CN112925050A (en) * | 2021-01-29 | 2021-06-08 | 中国科学院长春光学精密机械与物理研究所 | Interference imaging method and imaging system based on superlens array and photonic integrated chip |
| CN112924026A (en) * | 2021-01-29 | 2021-06-08 | 中国科学院长春光学精密机械与物理研究所 | Interference flat imaging method and system thereof |
| CN112946789A (en) * | 2021-01-29 | 2021-06-11 | 中国科学院长春光学精密机械与物理研究所 | Interference flat-plate imaging system based on super lens array and photonic integrated chip |
| CN113126205A (en) * | 2021-04-20 | 2021-07-16 | 电子科技大学 | Sectional type plane imaging system and method based on optical switch |
| CN113433688A (en) * | 2021-01-29 | 2021-09-24 | 中国科学院长春光学精密机械与物理研究所 | Interference imaging method and system based on micro-lens array and photonic integrated chip |
| CN114486746A (en) * | 2021-11-25 | 2022-05-13 | 中国科学院西安光学精密机械研究所 | High-resolution photon integrated imaging system and imaging method based on compressed sensing |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110076004A1 (en) * | 2009-09-29 | 2011-03-31 | Raytheon Company | Anamorphic focal array |
| CN104168472A (en) * | 2014-08-19 | 2014-11-26 | 西安电子科技大学 | Integral imaging display system with display parameters capable of being controlled interactively and control method thereof |
| US8913859B1 (en) * | 2011-04-12 | 2014-12-16 | Lockheed Martin Corporation | Segmented planar imaging detector for electro-optic reconnaissance |
| CN107748397A (en) * | 2017-10-24 | 2018-03-02 | 中国科学院上海技术物理研究所 | A kind of method of sampling of compact rectangular aperture arrangement and object space frequency |
| CN107782449A (en) * | 2017-09-22 | 2018-03-09 | 北京空间机电研究所 | It is a kind of from interference spectrum imaging method on common phase piece |
-
2018
- 2018-06-22 CN CN201810649281.1A patent/CN108873321A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110076004A1 (en) * | 2009-09-29 | 2011-03-31 | Raytheon Company | Anamorphic focal array |
| US8913859B1 (en) * | 2011-04-12 | 2014-12-16 | Lockheed Martin Corporation | Segmented planar imaging detector for electro-optic reconnaissance |
| CN104168472A (en) * | 2014-08-19 | 2014-11-26 | 西安电子科技大学 | Integral imaging display system with display parameters capable of being controlled interactively and control method thereof |
| CN107782449A (en) * | 2017-09-22 | 2018-03-09 | 北京空间机电研究所 | It is a kind of from interference spectrum imaging method on common phase piece |
| CN107748397A (en) * | 2017-10-24 | 2018-03-02 | 中国科学院上海技术物理研究所 | A kind of method of sampling of compact rectangular aperture arrangement and object space frequency |
Non-Patent Citations (2)
| Title |
|---|
| CHU QIUHUI,SHEN YIJIE,YUAN MENG: ""Numerical simulation and optimal design of Segmented Planar Imaging Detector for Electro-Optical Reconnaissance"", 《OPTICS COMMUNICATIONS》 * |
| 武冬梅 等: ""分块式平面光电探测成像技术研究"", 《红外》 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110954966A (en) * | 2019-12-06 | 2020-04-03 | 中国科学院长春光学精密机械与物理研究所 | Planar photoelectric detection system based on superlens array |
| CN110954966B (en) * | 2019-12-06 | 2021-06-15 | 中国科学院长春光学精密机械与物理研究所 | Planar photoelectric detection system based on superlens array |
| CN111045219A (en) * | 2019-12-28 | 2020-04-21 | 中国科学院长春光学精密机械与物理研究所 | Planar photoelectric detection system based on color separation focusing diffraction optical element |
| CN112925050A (en) * | 2021-01-29 | 2021-06-08 | 中国科学院长春光学精密机械与物理研究所 | Interference imaging method and imaging system based on superlens array and photonic integrated chip |
| CN112924026A (en) * | 2021-01-29 | 2021-06-08 | 中国科学院长春光学精密机械与物理研究所 | Interference flat imaging method and system thereof |
| CN112946789A (en) * | 2021-01-29 | 2021-06-11 | 中国科学院长春光学精密机械与物理研究所 | Interference flat-plate imaging system based on super lens array and photonic integrated chip |
| CN113433688A (en) * | 2021-01-29 | 2021-09-24 | 中国科学院长春光学精密机械与物理研究所 | Interference imaging method and system based on micro-lens array and photonic integrated chip |
| CN113126205A (en) * | 2021-04-20 | 2021-07-16 | 电子科技大学 | Sectional type plane imaging system and method based on optical switch |
| CN114486746A (en) * | 2021-11-25 | 2022-05-13 | 中国科学院西安光学精密机械研究所 | High-resolution photon integrated imaging system and imaging method based on compressed sensing |
| CN114486746B (en) * | 2021-11-25 | 2023-12-08 | 中国科学院西安光学精密机械研究所 | High-resolution photon integrated imaging system and imaging method based on compressed sensing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108873321A (en) | Ultra-thin high resolution flat imaging detection system based on interference | |
| CN103471715B (en) | A kind of light path combined type light field spectrum imaging method and device altogether | |
| CN103472592B (en) | A kind of fast high-throughout polarization imaging method of illuminated and polarization imager | |
| KR20190040044A (en) | Optical system for collecting distance information within a field | |
| CN108732637A (en) | Interference formula is segmented flat panel imaging detection system | |
| CN203101791U (en) | Infrared-zoom light-field camera | |
| CN104535186A (en) | Infrared spectrogram correlation detection system and method for mobile platform | |
| CN111220361B (en) | Method for measuring focal length of micro-lens array | |
| CN110146180B (en) | Large-view-field image sharpening device and method based on focal plane Hartmann wavefront sensor | |
| CN203838419U (en) | Optical imaging system for large-scale high-resolution remote sensing camera | |
| CN103698900A (en) | Optical imaging method and system for large-scale high-resolution remote sensing camera | |
| CN104168430B (en) | A kind of TDI CCD focal planes code super-resolution imaging device and method | |
| CN111458045A (en) | Large-view-field wavefront detection method based on focal plane Hartmann wavefront sensor | |
| CN103091258A (en) | Multispectral imager based on liquid zooming technology | |
| CN109164463B (en) | Multi-aperture view field partially-overlapped polarization thermal imaging method and device | |
| CN106054378B (en) | Portable big view field imaging device and method | |
| CN102650547B (en) | Optical reading method for micro lens array of non-refrigeration infrared imaging system | |
| CN110487425A (en) | A kind of wavefront sensing methods and its device based on defocus type light-field camera | |
| CN106908942A (en) | The parallel microscopic imaging apparatus of high-resolution based on microlens array | |
| CN108507674B (en) | Calibration data processing method of light field spectral imaging spectrometer | |
| CN103256990B (en) | A kind of diffraction pyramid wave-front sensor | |
| CN102288385B (en) | Photoelectric response characteristic calibration method for two-dimensional imaging device | |
| CN103197403B (en) | Aperture-divided optical lens for polarization imager | |
| CN202869653U (en) | Micro spectrograph based on diffraction hole array | |
| CN109116543A (en) | The fiber spectrum telescopic system and localization method of multi-core optical fiber probe positions translation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181123 |