CN104570385B - ADAPTIVE OPTICS SYSTEMS on machine with two grades of image stabilization functions - Google Patents
ADAPTIVE OPTICS SYSTEMS on machine with two grades of image stabilization functions Download PDFInfo
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- CN104570385B CN104570385B CN201410843411.7A CN201410843411A CN104570385B CN 104570385 B CN104570385 B CN 104570385B CN 201410843411 A CN201410843411 A CN 201410843411A CN 104570385 B CN104570385 B CN 104570385B
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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
- G02B27/64—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
- G02B27/646—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image compensating for small deviations, e.g. due to vibration or shake
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Abstract
ADAPTIVE OPTICS SYSTEMS belongs to heavy caliber adaptive optical imaging field of detecting on machine with two grades of image stabilization functions, it is therefore intended that solve that prior art is present it is harsh to environmental requirement, focal length is long, energy loss is serious, it is steady as effect is poor and can not motor-driven cloth station the problem of.The present invention's has ADAPTIVE OPTICS SYSTEMS on the machine of two grades of image stabilization functions, including relay optical system II, primary oblique correction optical system III, adaptively correcting optical system IV and binary channels high resolution imaging optical system V.Primary optical system I light beam enters ADAPTIVE OPTICS SYSTEMS, for direct optical imagery problem of image blurring, using two grades of steady pictures, adaptively correcting and binary channels imaging acquisition, realizes to the high-resolution blur-free imaging of distant object.ADAPTIVE OPTICS SYSTEMS can be moved with telescope on machine, complete the secondary imaging to distant object, and overcome atmospheric perturbation, realize image sharpening.
Description
Technical field
The invention belongs to heavy caliber adaptive optical imaging field of detecting, and in particular to a kind of to have two grades of image stabilization functions
ADAPTIVE OPTICS SYSTEMS on machine.
Background technology
Due to the presence of atmospheric turbulance, detected to carrying out the direct optical imagery of ground more than 20km long-distance flights target,
What is obtained is blurred picture.To meet to distant object, high-resolution blur-free imaging effect is reached, it is at present, main both at home and abroad
The technology taken is more than 1m optics bore, optics self adaptation, image recovery etc.；Meanwhile, from overcoming earth curvature, the target can quilt
Shine upon, observation background it is dark, improve target signal to noise ratio and it is detectable apart from angle consider, can use vehicle-mounted mode, realize
Motor-driven cloth station measurement.
At present, in heavy caliber adaptive optical imaging field of detecting, the self adaptive imaging of use is in Kuder room room
Realized under fixed environment, where Chinese Academy of Sciences's photoelectricity《CHINESE OPTICS LETTERS》The article delivered on 11 phases in 2010
《First light on the 127-element adaptive optical system for 1.8-m telescope》,
The embodiment for describing ADAPTIVE OPTICS SYSTEMS, is introduced the image planes of system first below control tower apart from primary mirror by storehouse moral light path
In more than ten meters of Kuder room, self adaptive imaging is carried out after successively carrying out the steady picture of one-level and order corrections, the self adaptation described by it
Imaging is realized in laboratory, and telescope is fixed form, there is operating environment requirements harshness, focal length is long, energy
Loss is serious, steady as effect is poor, be not easy to the motor-driven shortcoming used.
The content of the invention
It is an object of the invention to propose ADAPTIVE OPTICS SYSTEMS on a kind of machine with two grades of image stabilization functions, solve existing
Technology exist it is harsh to environmental requirement, focal length is long, energy loss is serious, it is steady as effect is poor and can not motor-driven cloth station ask
Topic.
To achieve the above object, ADAPTIVE OPTICS SYSTEMS includes on the machine with two grades of image stabilization functions of the invention：Relaying
Optical system II, primary oblique correction optical system III, adaptively correcting optical system IV and binary channels high resolution imaging light
System V；
The relay optical system II includes the second plane mirror, the 3rd plane mirror, parabolic mirror, Siping City
Face speculum, dichronic mirror A, the 5th plane mirror and distorting lens；First image planes of primary optical system I are to the second plane mirror
In central obscuration, the light beam from the first image planes passes through the second plane mirror, anti-through the 3rd plane mirror and parabolic successively
The light beam penetrated after mirror reflection reaches the second plane mirror, and light beam is anti-through the second plane mirror and fourth plane speculum successively
Spectrum is carried out by dichronic mirror A after penetrating, wave band is transmitted into primary oblique correction optical system for 900nm~1700nm light beam
System III, wave band enters adaptively correcting optics for 450nm~900nm light beam after the 5th plane mirror and distorting lens reflection
System IV；
The primary oblique correction optical system III includes correction lens, the 6th plane mirror and short-wave infrared and visited at a high speed
Survey device；The target surface of the short-wave infrared high speed detector is located on the focal plane of the correction lens, saturating by relay optical system II
The light beam penetrated after being reflected through the 6th plane mirror, is imaged in short-wave infrared high speed detector through correction lens；
The adaptively correcting optical system IV includes coupled lens A, the 7th plane mirror, the second image planes, coupling thoroughly
Mirror B, dichronic mirror B, the 8th plane mirror and wave front detector；The target surface of the wave front detector is conjugated positioned at the distorting lens
On position, the light beam entered by relay optical system II passes through coupled lens A, and the second picture is reflected to form through the 7th plane mirror
Face, the light beam from the second image planes to pass through and carry out spectrum through dichronic mirror B after coupled lens B, and wave band is 700nm~900nm
Light beam be reflected into binary channels high resolution imaging optical system V, wave band is anti-for the 450nm~700nm plane of light beam the 8th
Received after penetrating mirror reflection by wave front detector；
The binary channels high resolution imaging optical system V include the 9th plane mirror, imaging len, spectroscope, into
As detector A and imaging detector B, imaging detector A target surface is located on the position of focal plane of the imaging len, imaging detection
Device B target surface is located on the defocus position of the imaging len, and the light beam entered by adaptively correcting optical system IV is through the 9th
After plane mirror reflection, through imaging len, after the light splitting of spectroscope 26, imaging detector A is imaged on respectively and imaging is visited
Survey on device B.
Second plane mirror is provided with centre bore, the first image planes with diameter greater than primary optical system of centre bore
The heart blocks diameter.
The fourth plane speculum and the 5th plane mirror are rapid control reflector, the fourth plane speculum
With the primary oblique correction composition closed-loop system of optical system III, the 5th plane mirror and adaptively correcting optical system IV
Form closed-loop system.
The distorting lens constitutes closed-loop system with the adaptively correcting optical system IV.
The correction lens are spherical lens.
The short-wave infrared high speed detector is high sensitivity charge coupling device (CCD), Intensified Charge Coupled Device
(ICCD) or electron multiplying charge coupled apparatus (EBCCD), the target surface size of the short-wave infrared high speed detector and described one
The image planes size of level slant correction optical system III matches.
The coupled lens A and coupled lens B are spherical lens.
The wave front detector is the wave front detector with 10 × 10 microlens arrays, and closed loop is constituted with the distorting lens
System, the image planes size of the target surface size of the wave front detector and the adaptively correcting optical system IV matches.
The imaging len is spherical lens.
Spectroscopical Transflective ratio is 1:1.
Beneficial effects of the present invention are：The relaying with ADAPTIVE OPTICS SYSTEMS on the machine of two grades of image stabilization functions of the present invention
In optical system II, parabolic mirror is axis parabolic speculum, and it is by the divergent beams after the image planes of primary optical system first
Collimated, and principal reflection mirror 1 is imaged on distorting lens 13, reduce optical manufacturing and resetting difficulty.Fourth plane reflects
Mirror, the 5th plane mirror are rapid control reflector, are that the present invention has adaptive optics system on the machine of two grades of image stabilization functions
One of core parts of system.Fourth plane speculum is looked in the distance with the primary oblique correction composition closed-loop system of optical system III, correction
The overall wavefront heeling error that mirror is tracked and atmospheric agitation is brought, realizes the one-level image stabilization functions of system；5th plane mirror
Closed-loop system is constituted with adaptively correcting optical system, the overall wavefront heeling error of system residual is corrected, realizes the two of system
Level image stabilization functions.
The present invention is directed to direct optical imagery problem of image blurring, using two grades it is steady as, adaptively correcting and binary channels into
As collection, realize to the high-resolution blur-free imaging of distant object.Adaptive optical imaging on machine with two grades of image stabilization functions
System belongs to invents first both at home and abroad, realizes at motor driven cloth station, to the mesh of the high resolution imaging of distant object
Mark.
Brief description of the drawings
Fig. 1 is that the present invention has ADAPTIVE OPTICS SYSTEMS structural representation on the machine of two grades of image stabilization functions；
Fig. 2 is the primary optical system structural representation used cooperatively with the present invention；
Wherein：1st, principal reflection mirror, 2, secondary mirror, the 3, the 3rd speculum, the 4, first plane mirror, 5, speculum group,
6th, the first image planes, the 7, second plane mirror, the 8, the 3rd plane mirror, 9, parabolic mirror, 10, fourth plane speculum,
11st, dichronic mirror A, the 12, the 5th plane mirror, 13, distorting lens, 14, correction lens, the 15, the 6th plane mirror, 16, shortwave
Infrared high-speed detector, 17, coupled lens A, the 18, the 7th plane mirror, the 19, second image planes, 20, coupled lens B, 21, point
Look mirror B, the 22, the 8th plane mirror, 23, wave front detector, the 24, the 9th plane mirror, 25, imaging len, 26, light splitting
Mirror, 27, imaging detector A, 28, imaging detector B.
Embodiment
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
Referring to accompanying drawing 1, accompanying drawing 2, of the invention there is ADAPTIVE OPTICS SYSTEMS on the machine of two grades of image stabilization functions to include：Relaying
Optical system II, primary oblique correction optical system III, adaptively correcting optical system IV and binary channels high resolution imaging light
System V；
The relay optical system II includes the second plane mirror 7, the 3rd plane mirror 8, parabolic mirror 9, the
Four plane mirrors 10, dichronic mirror A11, the 5th plane mirror 12 and distorting lens 13；6 pairs of the first image planes of primary optical system I
Second plane mirror 7 is in central obscuration, and the light beam from the first image planes 6 passes through the second plane mirror 7, flat through the 3rd successively
Light beam after face speculum 8 and parabolic mirror 9 reflect reaches the second plane mirror 7, and light beam is successively through the second plane reflection
Mirror 7 and fourth plane speculum 10 carry out spectrum after reflecting by dichronic mirror A11, and wave band is 900nm~1700nm light beam
Primary oblique correction optical system III is transmitted into, the light beam that wave band is 450nm~900nm is through the 5th plane mirror 12 and becomes
Shape mirror 13 enters adaptively correcting optical system IV after reflecting；
It is high that the primary oblique correction optical system III includes correction lens 14, the 6th plane mirror 15 and short-wave infrared
Fast detector 16；The target surface of the short-wave infrared high speed detector 16 is located on the focal plane of the correction lens 14, by relaying light
The light beam that system II is transmitted after being reflected through the 6th plane mirror 15, is imaged on short-wave infrared at a high speed through correction lens 14
On detector 16；
The adaptively correcting optical system IV include coupled lens A17, the 7th plane mirror 18, the second image planes 19,
Coupled lens B20, dichronic mirror B21, the 8th plane mirror 22 and wave front detector 23；The target surface position of the wave front detector 23
In on the conjugate position of distorting lens 13, the light beam entered by relay optical system II passes through coupled lens A17, through the 7th plane
Speculum 18 reflects to form the second image planes 19, and the light beam from the second image planes 19 enters after passing through coupled lens B20 through dichronic mirror B21
Row spectrum, wave band is reflected into binary channels high resolution imaging optical system V, wave band for 700nm~900nm light beam
To be received after the 450nm~700nm plane mirror 22 of light beam the 8th reflection by wave front detector 23；
The binary channels high resolution imaging optical system V includes the 9th plane mirror 24, imaging len 25, spectroscope
26th, imaging detector A27 and imaging detector B28, imaging detector A27 target surface are located at the focal plane position of the imaging len 25
Put, imaging detector B28 target surface is located on the defocus position of the imaging len 25, by adaptively correcting optical system IV
After the light beam of entrance reflects through the 9th plane mirror 24, through imaging len 25, after the light splitting of spectroscope 26, it is imaged on respectively
On imaging detector A27 and imaging detector B28.
The primary optical system I includes principal reflection mirror 1, secondary mirror 2, the 3rd speculum 3, the and of the first plane mirror 4
Speculum group 5；Central obscuration is presented to principal reflection mirror 1 in secondary mirror 2, and incident light first passes around the reflection of principal reflection mirror 1, then
Sequentially pass through secondary mirror 2 to focus on, then after being reflected through the 3rd speculum 3, the first plane mirror 4, speculum group 5, form the
One image planes 6, into relay optical system II.
In described primary optical system I, principal reflection mirror 1 is parabolic mirror, and secondary mirror 22 is hyperboloidal mirror
The Cassegrain optical system constituted is easy to processing and detection.
In described primary optical system I, principal reflection mirror 1 is provided with centre bore, and the diameter of centre bore is less than central obscuration diameter.
In described primary optical system I, the 3rd speculum 3 is plane mirror, the 3rd speculum 3 and optical axis included angle 45
Degree, the convergent beam that principal reflection mirror 1 and secondary mirror 2 are formed imports illuminating apparatus upper mounting plate of looking in the distance, and is located at the first image planes of system 6
Machine upper mounting plate, reduces the size of whole optical system.
In described primary optical system I, speculum group 5 includes 2 orthogonally located plane mirrors, and every speculum can
Bidimensional tilt adjustments are carried out, the pupil of correct size and location is provided for adaptively correcting optical system IV.
Second plane mirror 7 is provided with centre bore, the first image planes 6 with diameter greater than primary optical system of centre bore
Central obscuration diameter.
The plane mirror 12 of fourth plane speculum 10 and the 5th is rapid control reflector, and the fourth plane is anti-
Penetrate mirror 10 and the primary oblique correction composition closed-loop system of optical system III, the 5th plane mirror 12 and adaptively correcting light
The formation closed-loop system of system IV.
The distorting lens 13 constitutes closed-loop system with the adaptively correcting optical system IV, corrects the static state of system residual
The high-order error that aberration and atmospheric agitation are brought.Distorting lens 13 is that the present invention has adaptive optics on the machine of two grades of image stabilization functions
One of core parts of system.
The correction lens 14 are spherical lens, reduce optical manufacturing and detection difficulty.
The short-wave infrared high speed detector 16 is high sensitivity charge coupling device (CCD), enhanced charge-coupled device
Part (ICCD) or electron multiplying charge coupled apparatus (EBCCD), the target surface size of the short-wave infrared high speed detector 16 and institute
The image planes size for stating primary oblique correction optical system III matches.
The coupled lens A17 and coupled lens B20 are spherical lens, reduce the difficulty of optical manufacturing and detection.
The wave front detector 23 is the wave front detector 23 with 10 × 10 microlens arrays, and measuring system remnants' is whole
Body heeling error and high-order wavefront error, closed-loop system is constituted with the distorting lens 13, and adaptively correcting is carried out to system wavefront.
The image planes size of the target surface size of the wave front detector 23 and the adaptively correcting optical system IV matches.
The imaging len 25 is spherical lens, reduces the difficulty of optical manufacturing and detection.
The Transflective ratio of the spectroscope 26 is 1:1.
The present invention practical operation select one group of implementation technical parameter be：
The clear aperture of the primary optical system I is Ф 1250mm, and focal length is 18m.
The angle of visual field of the primary optical system is 3 ', and service band is 450nm~1700nm.
The clear aperture of the relay optical system II is Ф 1250mm.
The angle of visual field of the relay optical system II is 3 ', and service band is 450nm~1700nm.
The clear aperture of the primary oblique correction optical system III is Ф 1250mm, and focal length is 6m.
The angle of visual field of the primary oblique correction optical system III is 3 ', and service band is 900nm~1700nm.
The clear aperture of the adaptively correcting optical system IV is Ф 1250mm, and sub-aperture number is 10 × 10.
The angle of visual field of the adaptively correcting optical system IV is 1 ', and service band is 450nm~700nm.
The clear aperture of the binary channels high resolution imaging optical system V is Ф 1250mm, and focal length is 30m.
The angle of visual field of the binary channels high resolution imaging optical system V is 3 ', and service band is 700nm~900nm.
The quality that is ultimately imaged of ADAPTIVE OPTICS SYSTEMS is such on the machine with two grades of image stabilization functions：
For specified extraterrestrial target, the FWHM values of target image planes are better than 0.3 ", system imaging resolving power is better than 0.3 ",
Modulation transfer function at corresponding spatial frequency is more than 0.4.
Claims (10)
1. ADAPTIVE OPTICS SYSTEMS on the machine with two grades of image stabilization functions, it is characterised in that including relay optical system II, one-level
Slant correction optical system III, adaptively correcting optical system IV and binary channels high resolution imaging optical system V；
The relay optical system II include the second plane mirror (7), the 3rd plane mirror (8), parabolic mirror (9),
Fourth plane speculum (10), dichronic mirror A (11), the 5th plane mirror (12) and distorting lens (13)；The of primary optical system I
One image planes (6) are in central obscuration to the second plane mirror (7), and the light beam from the first image planes (6) passes through the second plane reflection
Mirror (7), the light beam after being reflected successively through the 3rd plane mirror (8) and parabolic mirror (9) reaches the second plane mirror
(7), light beam carries out light after the second plane mirror (7) and fourth plane speculum (10) reflection by dichronic mirror A (11) successively
Compose light splitting, wave band for 900nm~1700nm light beam be transmitted into primary oblique correction optical system III, wave band be 450nm~
900nm light beam enters adaptively correcting optical system IV after the 5th plane mirror (12) and distorting lens (13) reflection；
It is high that the primary oblique correction optical system III includes correction lens (14), the 6th plane mirror (15) and short-wave infrared
Fast detector (16)；The target surface of the short-wave infrared high speed detector (16) is located on the focal plane of the correction lens (14), by
The light beam that relay optical system II is transmitted after being reflected through the 6th plane mirror (15), is imaged on short through correction lens (14)
On ripple infrared high-speed detector (16)；
The adaptively correcting optical system IV includes coupled lens A (17), the 7th plane mirror (18), the second image planes
(19), coupled lens B (20), dichronic mirror B (21), the 8th plane mirror (22) and wave front detector (23)；The wavefront is visited
The target surface for surveying device (23) is located on the distorting lens (13) conjugate position, and the light beam entered by relay optical system II is through coupling
Lens A (17), the second image planes (19) are reflected to form through the 7th plane mirror (18), and the light beam from the second image planes (19) is passed through
Coupled lens B (20) carries out spectrum by dichronic mirror B (21), and wave band is reflected into bilateral for 700nm~900nm light beam
Road high resolution imaging optical system V, by ripple after the plane mirror (22) of light beam the 8th reflection that wave band is 450nm~700nm
Preceding detector (23) receives；
The binary channels high resolution imaging optical system V includes the 9th plane mirror (24), imaging len (25), spectroscope
(26), imaging detector A (27) and imaging detector B (28), imaging detector A (27) target surface are located at the imaging len
(25) on position of focal plane, imaging detector B (28) target surface is located on the defocus position of the imaging len (25), by adaptive
The light beam of optical system IV entrance should be corrected after the reflection of the 9th plane mirror (24), through imaging len (25), through light splitting
After mirror (26) light splitting, it is imaged on respectively on imaging detector A (27) and imaging detector B (28).
2. ADAPTIVE OPTICS SYSTEMS on the machine with two grades of image stabilization functions according to claim 1, it is characterised in that described
Second plane mirror (7) is provided with centre bore, and the center of the first image planes (6) with diameter greater than primary optical system I of centre bore hides
Block diameter.
3. ADAPTIVE OPTICS SYSTEMS on the machine with two grades of image stabilization functions according to claim 1, it is characterised in that described
Fourth plane speculum (10) and the 5th plane mirror (12) are rapid control reflector, the fourth plane speculum (10)
With the primary oblique correction composition closed-loop system of optical system III, the 5th plane mirror (12) and adaptively correcting optical system
System IV forms closed-loop system.
4. ADAPTIVE OPTICS SYSTEMS on the machine with two grades of image stabilization functions according to claim 1, it is characterised in that described
Distorting lens (13) constitutes closed-loop system with the adaptively correcting optical system IV.
5. ADAPTIVE OPTICS SYSTEMS on the machine with two grades of image stabilization functions according to claim 1, it is characterised in that described
It is spherical lens to correct lens (14).
6. ADAPTIVE OPTICS SYSTEMS on the machine with two grades of image stabilization functions according to claim 1, it is characterised in that described
Short-wave infrared high speed detector (16) be high sensitivity charge coupling device (CCD), Intensified Charge Coupled Device (ICCD) or
Electron multiplying charge coupled apparatus (EBCCD), the target surface size of the short-wave infrared high speed detector (16) is inclined with the one-level
Tiltedly the image planes size of correction optical system III matches.
7. ADAPTIVE OPTICS SYSTEMS on the machine with two grades of image stabilization functions according to claim 1, it is characterised in that described
Coupled lens A (17) and coupled lens B (20) are spherical lens.
8. ADAPTIVE OPTICS SYSTEMS on the machine with two grades of image stabilization functions according to claim 1, it is characterised in that described
Wave front detector (23) is the wave front detector (23) with 10 × 10 microlens arrays, and closed loop is constituted with the distorting lens (13)
System, the image planes size of the target surface size and the adaptively correcting optical system IV of the wave front detector (23) matches.
9. ADAPTIVE OPTICS SYSTEMS on the machine with two grades of image stabilization functions according to claim 1, it is characterised in that described
Imaging len (25) is spherical lens.
10. ADAPTIVE OPTICS SYSTEMS on the machine with two grades of image stabilization functions according to claim 1, it is characterised in that institute
The Transflective ratio for stating spectroscope (26) is 1:1.
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| CN106526800B (en) * | 2016-11-29 | 2019-04-16 | 中国科学院长春光学精密机械与物理研究所 | Heavy caliber high-resolution imaging optical system on daytime |
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| US6657783B1 (en) * | 2000-10-05 | 2003-12-02 | Lucent Technologies Inc. | Method and apparatus for aligning telescopes within a free-space optical communication system |
| CN102621687A (en) * | 2012-04-09 | 2012-08-01 | 中国科学院光电技术研究所 | Solar multi-conjugate adaptive optical system |
| CN102981269A (en) * | 2012-12-06 | 2013-03-20 | 中国科学院光电技术研究所 | Large-visual field scanning and imaging device based on solar adaptive optical system |
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| WO2009130603A2 (en) * | 2008-04-24 | 2009-10-29 | Micronic Laser Systems Ab | Spatial light modulator with structured mirror surfaces |
| JP5464891B2 (en) * | 2009-04-13 | 2014-04-09 | キヤノン株式会社 | Optical image acquisition apparatus provided with adaptive optical system, and control method thereof |
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|---|---|---|---|---|
| US6657783B1 (en) * | 2000-10-05 | 2003-12-02 | Lucent Technologies Inc. | Method and apparatus for aligning telescopes within a free-space optical communication system |
| CN103048779A (en) * | 2011-10-14 | 2013-04-17 | 徕卡显微***复合显微镜有限公司 | Method and apparatus for identifying and correcting spherical aberrations in a microscope imaging beam path |
| CN102621687A (en) * | 2012-04-09 | 2012-08-01 | 中国科学院光电技术研究所 | Solar multi-conjugate adaptive optical system |
| CN102981269A (en) * | 2012-12-06 | 2013-03-20 | 中国科学院光电技术研究所 | Large-visual field scanning and imaging device based on solar adaptive optical system |
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