CN103033903A - Control platform for double camera phase difference speckle imaging - Google Patents
Control platform for double camera phase difference speckle imaging Download PDFInfo
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- CN103033903A CN103033903A CN2012105628802A CN201210562880A CN103033903A CN 103033903 A CN103033903 A CN 103033903A CN 2012105628802 A CN2012105628802 A CN 2012105628802A CN 201210562880 A CN201210562880 A CN 201210562880A CN 103033903 A CN103033903 A CN 103033903A
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- phase difference
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Abstract
The invention relates to a control platform for double camera phase difference speckle imaging and belongs to the technical field of telescope detection imaging. The control platform for the double camera phase difference speckle imaging aims at achieving installation of a double camera phase difference speckle imaging system and position regulation of two cameras. A translation stage comprises a fixed seat, an overall mobile stage, a focal camera mounting seat and an out-of-focus camera mounting seat, the overall mobile stage is arranged on the fixed seat, relative movement exits between the overall mobile stage and the fixed seat, the focal camera mounting seat and an out-of-focus camera mounting seat are arranged on the overall mobile stage, the focal camera mounting seat enables a focal camera to rotate around an optical axis, and the out-of-focus camera mounting seat enables a out-of-focus camera to move back and forth along the direction of the optical axis. According to the control platform for the double camera phase difference speckle imaging, a motor is used to drive the two cameras to move at the same time to realize overall focusing, the focal camera mounting seat can realize the rotation of the focal camera around the optical axis, the out-of-focus camera mounting seat can realize the movement of the out-of-focus camera along the direction of the optical axis, and thus the requirement of the double-camera phase difference speckle imaging is achieved.
Description
Technical field
The invention belongs to telescope detection imaging technical field, be specifically related to a kind of report control platform for the imaging of double camera phase difference speckle.
Background technology
The Wave-front phase distortion that atmospheric turbulence and imaging system error cause is seriously restricting the telescopical resolution of ground heavy caliber, make it can't obtain ideal image near diffraction limit, the double camera phase difference speckle imaging image recovery method that distortion grows up for Wave-front phase just, referring to accompanying drawing 1, its core concept is the camera at the focal plane of imaging system and two same models of out of focus face placement, makes at burnt camera 9 to pass through catoptron 12 and spectroscope 11 and out of focus camera 10 by 11 pairs of simultaneously imagings of same target of spectroscope; The quality that target image recovers has be vital at 2, the relative picture spinor of two cameras of the first can not surpass a pixel, it two is that the defocusing amount error of out of focus camera is no more than 0.1mm, does not also have to satisfy the report control platform of the installation requirement of two cameras at present.
Summary of the invention
The object of the invention is to propose a kind of report control platform for the imaging of double camera phase difference speckle, realize the installation of double camera phase difference speckle imaging system and the adjustment of two camera positions.
For achieving the above object, of the present invention for double camera phase difference speckle imaging report control platform comprise holder, integrated moving platform, at burnt camera mount pad, out of focus camera mount pad, drive motor and drive motor mount pad; Described integrated moving platform is placed on the holder, there is relative motion between described integrated moving platform and the holder, describedly be installed on the described integrated moving platform at burnt camera mount pad and described out of focus camera mount pad, described making at burnt camera at burnt camera mount pad rotated around optical axis, and described out of focus camera mount pad makes the out of focus camera move forward and backward along optical axis direction; Described drive motor is fixed on the holder by the drive motor mount pad, and described drive motor output terminal is connected with drive lead screw, and described drive lead screw and integrated moving platform form screw pair, drives the motion of integrated moving platform by drive motor.
Describedly comprise the accent rotating bottom board at burnt camera mount pad, transfer the rotation upper plate, transfer rotary screw, transfer rotary screw substrate and rotary fixing screw nail, described accent rotating bottom board and integrated moving platform are connected, described accent rotary screw substrate and described accent rotating bottom board are connected, described accent rotary screw is threaded in to be transferred on the rotary screw substrate, transferring the rotation upper plate to be placed on transfers on the rotating bottom board, rotate described about two transfer rotary screws to push to transfer the rotation upper plate, make and transfer the rotation upper plate to rotate around the optical axis of burnt camera, be fixedly mounted on the described accent rotation upper plate at burnt camera mount pad at burnt camera.
Described out of focus camera mount pad comprises out of focus camera installing plate, out of focus displacement platform, installing plate gib screw, described out of focus camera installing plate is connected by installing plate gib screw and out of focus displacement platform, the out of focus camera is fixedly mounted on the out of focus camera installing plate of out of focus camera mount pad, described out of focus displacement platform is the single shaft displacement platform, can realize the movement along optical axis.
Described integrated moving platform is by the movement of crossed roller guide rail on holder.
Beneficial effect of the present invention is: report control platform of the present invention is by motor-driven, can drive the simultaneously whole focusing of mobile realization of two cameras, can realize in the rotation of burnt camera around optical axis at burnt camera mount pad, out of focus camera mount pad can be realized the out of focus camera along the movement of optical axis, reaches the installation requirement of double camera phase difference speckle imaging.
Description of drawings
Fig. 1 is double camera phase difference speckle imaging optical path figure;
Fig. 2 is report control platform one-piece construction front view of the present invention;
Fig. 3 is report control platform one-piece construction schematic diagram of the present invention;
Fig. 4 is rotating bottom board axonometric drawing of the present invention;
Fig. 5 is the structural representation at burnt camera mount pad of the present invention;
Fig. 6 is the structural representation of out of focus camera mount pad of the present invention;
Wherein: 1, holder, 2, integrated moving platform, 3, at burnt camera mount pad, 301, transfer rotating bottom board, 302, transfer the rotation upper plate, 303, transfer rotary screw, 304, transfer the rotary screw substrate, 305, the rotary fixing screw nail, 4, out of focus camera mount pad, 401, out of focus displacement platform, 402, out of focus camera installing plate, 403, the installing plate gib screw, 5, drive motor, 6, drive motor seat, 7, drive lead screw, 8, the crossed roller guide rail, 9, at burnt camera, 10, out of focus camera, 11, spectroscope, 12, catoptron.
Embodiment
Below in conjunction with accompanying drawing the present invention is described further.
Referring to accompanying drawing 2, accompanying drawing 3 and accompanying drawing 4, report control platform of the present invention comprises holder 1, integrated moving platform 2, at burnt camera mount pad 3, out of focus camera mount pad 4, drive motor 5, drive motor seat 6, drive lead screw 7, crossed roller guide rail 8; Transfer rotating bottom board 301, accent rotation upper plate 302, accent rotary screw 303, accent rotary screw substrate 304, rotary fixing screw nail 305 described comprising at burnt camera mount pad 3, and described out of focus camera mount pad 4 comprises out of focus displacement platform 401, out of focus camera installing plate 402, installing plate gib screw 403; Be fixedly mounted on the described accent rotation upper plate 302 at burnt camera mount pad 3 at burnt camera 9, the out of focus camera is fixedly mounted on the out of focus camera installing plate 402 of out of focus camera mount pad 4, described out of focus displacement platform 401 is single shaft displacement platforms, can move forward and backward the defocusing amount that reaches optical design along optical axis, resolution is 0.01mm, described out of focus camera installing plate 402 is connected by installing plate gib screw 403 and out of focus displacement platform 401, out of focus camera 10 is connected with out of focus camera installing plate 402, out of focus displacement platform 401 is the single shaft displacement platform, can realize the movement along optical axis.
Transfer rotating bottom board 301 and integrated moving platform 2 to be connected, transfer rotary screw substrate 304 to be connected with transferring rotating bottom board 301, transfer rotary screw 303 to be threaded in and transfer on the rotary screw substrate 304, transferring rotation upper plate 302 to be placed on transfers on the rotating bottom board 301, push accent rotation upper plate 302 by two accent rotary screws 303 about rotation, make and transfer rotation upper plate 302 to rotate around the optical axis of burnt camera 9, realize that two cameras look like the adjustment of spinor relatively.
Described integrated moving platform 2 is placed on the holder 1, there is relative motion between described integrated moving platform 2 and the holder 1, describedly be installed on the described integrated moving platform 2 at burnt camera mount pad 3 and described out of focus camera mount pad 4, describedly make in the rotation of burnt camera 9 around optical axis at burnt camera mount pad 3, described out of focus camera mount pad 4 makes out of focus camera 10 move the defocusing amount that reaches the optical design requirement along optical axis direction; Described report control platform also comprises drive motor mount pad 6 and drive motor 5, described drive motor 5 is fixed on the holder 1 by drive motor mount pad 6, described drive motor 5 output terminals are connected with drive lead screw 7, described drive lead screw 7 forms screw pair with integrated moving platform 2, drives the motion of integrated moving platform 2 by drive motor 5; Described integrated moving platform 2 is by the movement of crossed roller guide rail on holder 1.
Method of adjustment of the present invention is as follows: utilize the depth of parallelism that the mechanical method of adjustment of the submeter of saluting by going down on one knee makes out of focus displacement platform 401 and crossed roller guide rail less than 0.01mm, make at burnt camera 9 by catoptron 12 and spectroscope 11 and out of focus camera 10 by 11 pairs of simultaneously imagings of same target of spectroscope by index path shown in Figure 1; Drive motor 5 drives the focusing that integrated moving platform 2 is realized at burnt camera 9 by drive lead screw 7, make the target surface at burnt camera 9 be positioned at the position of focal plane, manually adjusting out of focus displacement platform 401 makes the target surface of out of focus camera 10 also be positioned at the position of focal plane, by two width of cloth images of comparison at burnt camera 9 and out of focus camera 10, turn is transferred the accent rotary screw 303 of rotating bottom board 301 both sides to push and is transferred rotation upper plate 302, make and transfer rotation upper plate 302 curvature by the face of cylinder on accent rotating bottom board 301 to slide, it is exactly the optical axis rotation around burnt camera 9, until in the relative picture spinor of burnt camera 9 and out of focus camera 10 less than individual pixel, to transfer rotation upper plate 302 to be fixed on the accent rotating bottom board 301 by screwing former and later two rotary fixing screw nails 305, manually adjusting out of focus displacement platform 401 makes out of focus camera 10 meet the requirements of defocusing amount, so far the report control platform adjustment among the present invention is finished, and can be used for the imaging of telescopical double camera phase difference speckle.
Claims (4)
1. report control platform that is used for the imaging of double camera phase difference speckle, it is characterized in that, comprise holder (1), integrated moving platform (2), at burnt camera mount pad (3), out of focus camera mount pad (4), drive motor (5) and drive motor mount pad (6); Described integrated moving platform (2) is placed on the holder (1), there is relative motion between described integrated moving platform (2) and the holder (1), describedly be installed on the described integrated moving platform (2) at burnt camera mount pad (3) and described out of focus camera mount pad (4), described making at burnt camera (9) at burnt camera mount pad (3) rotated around optical axis, and described out of focus camera mount pad (4) makes out of focus camera (10) move forward and backward along optical axis direction; Described drive motor (5) is fixed on the holder (1) by drive motor mount pad (6), described drive motor (5) output terminal is connected with drive lead screw (7), described drive lead screw (7) forms screw pair with integrated moving platform (2), drives the motion of integrated moving platform (2) by drive motor (5).
2. a kind of report control platform for the imaging of double camera phase difference speckle according to claim 1, it is characterized in that, transfer rotating bottom board (301) described comprising at burnt camera mount pad (3), transfer rotation upper plate (302), transfer rotary screw (303), transfer rotary screw substrate (304) and rotary fixing screw nail (305), described accent rotating bottom board (301) is connected with integrated moving platform (2), described accent rotary screw substrate (304) is connected with described accent rotating bottom board (301), described accent rotary screw (303) is threaded in to be transferred on the rotary screw substrate (304), transfer rotation upper plate (302) to be placed on and transfer on the rotating bottom board (301), rotate described about two transfer rotary screws (303) to push to transfer rotation upper plate (302), make and transfer rotation upper plate (302) to rotate around the optical axis of burnt camera (9), be fixedly mounted on the described accent rotation upper plate (302) at burnt camera mount pad (3) at burnt camera (9).
3. a kind of report control platform for the imaging of double camera phase difference speckle according to claim 1, it is characterized in that, described out of focus camera mount pad (4) comprises out of focus camera installing plate (402), out of focus displacement platform (401), installing plate gib screw (403), described out of focus camera installing plate (402) is connected by installing plate gib screw (403) and out of focus displacement platform (401), out of focus camera (10) is fixedly mounted on the out of focus camera installing plate (402) of out of focus camera mount pad (4), described out of focus displacement platform (401) is the single shaft displacement platform, can realize the movement along optical axis.
4. a kind of report control platform for the imaging of double camera phase difference speckle according to claim 1 is characterized in that, described integrated moving platform (2) is mobile at described holder (1) by crossed roller guide rail (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210562880.2A CN103033903B (en) | 2012-12-21 | 2012-12-21 | Control platform for double camera phase difference speckle imaging |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210562880.2A CN103033903B (en) | 2012-12-21 | 2012-12-21 | Control platform for double camera phase difference speckle imaging |
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| Publication Number | Publication Date |
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| CN103033903A true CN103033903A (en) | 2013-04-10 |
| CN103033903B CN103033903B (en) | 2015-04-22 |
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| CN201210562880.2A Active CN103033903B (en) | 2012-12-21 | 2012-12-21 | Control platform for double camera phase difference speckle imaging |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105278093A (en) * | 2015-09-30 | 2016-01-27 | 中国人民解放军国防科学技术大学 | Astronomical object imaging system |
| CN108489610A (en) * | 2018-02-06 | 2018-09-04 | 中国科学院长春光学精密机械与物理研究所 | Instantaneous imaging system based on multi-path defocus difference |
| CN113405676A (en) * | 2021-07-16 | 2021-09-17 | 中国科学院长春光学精密机械与物理研究所 | Correction method for micro-vibration influence in phase difference wavefront detection of space telescope |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07181607A (en) * | 1993-12-24 | 1995-07-21 | Canon Inc | Double eye camera |
| CN201066423Y (en) * | 2007-04-09 | 2008-05-28 | 虞建 | An electromotive focusing imaging device |
| CN101770065A (en) * | 2010-01-12 | 2010-07-07 | 广东工业大学 | Superfine automatic focusing system based on multi-platform and realization method thereof |
-
2012
- 2012-12-21 CN CN201210562880.2A patent/CN103033903B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07181607A (en) * | 1993-12-24 | 1995-07-21 | Canon Inc | Double eye camera |
| CN201066423Y (en) * | 2007-04-09 | 2008-05-28 | 虞建 | An electromotive focusing imaging device |
| CN101770065A (en) * | 2010-01-12 | 2010-07-07 | 广东工业大学 | Superfine automatic focusing system based on multi-platform and realization method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105278093A (en) * | 2015-09-30 | 2016-01-27 | 中国人民解放军国防科学技术大学 | Astronomical object imaging system |
| CN108489610A (en) * | 2018-02-06 | 2018-09-04 | 中国科学院长春光学精密机械与物理研究所 | Instantaneous imaging system based on multi-path defocus difference |
| CN113405676A (en) * | 2021-07-16 | 2021-09-17 | 中国科学院长春光学精密机械与物理研究所 | Correction method for micro-vibration influence in phase difference wavefront detection of space telescope |
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| Publication number | Publication date |
|---|---|
| CN103033903B (en) | 2015-04-22 |
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