CN104880833A - System capable of realizing optical lens and focal plane assembly high-precision centering, and method capable of realizing optical lens and focal plane assembly high-precision centering - Google Patents
System capable of realizing optical lens and focal plane assembly high-precision centering, and method capable of realizing optical lens and focal plane assembly high-precision centering Download PDFInfo
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- CN104880833A CN104880833A CN201510190632.3A CN201510190632A CN104880833A CN 104880833 A CN104880833 A CN 104880833A CN 201510190632 A CN201510190632 A CN 201510190632A CN 104880833 A CN104880833 A CN 104880833A
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- debugged
- focal plane
- optical lens
- plane subassembly
- turning axle
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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
- G02B27/62—Optical apparatus specially adapted for adjusting optical elements during the assembly of optical systems
Abstract
The present invention relates to a system capable of realizing optical lens and focal plane assembly high-precision centering, and a method capable of realizing the optical lens and focal plane assembly high-precision centering. The system comprises an auto-collimation centering instrument, a two dimensional adjusting bench and a rotating shaft, a to-be-debugged focal plane assembly is arranged on a two-dimensional turntable adjusting bench, and a to-be-debugged optical lens is arranged on the to-be-debugged focal plane assembly. The two dimensional adjusting bench can realize the translation and pitching adjustment, a translation precision is 0.01mm, and a pitching adjustment precision is 5''. The rotating shaft is connected with the two dimensional adjusting bench and drives the to-be-debugged focal plane assembly and the to-be-debugged optical lens to rotate axially around the rotating shaft via the two dimensional adjusting bench, and the to-be-debugged focal plane assembly and the to-be-debugged optical lens are arranged in an emergent light path of the auto-collimation centering instrument orderly. The present invention provides the system and the method which are simple in structure and high in centering precision, are easy to operate, and can realize the optical lens and focal plane assembly high-precision centering.
Description
Technical field
The invention belongs to optics and debug field, relate to a kind of system and method realizing optical lens and the high-precision fixed center of focal plane subassembly.
Background technology
Optical lens is used for carrying out imaging with the magnification of certain multiple to target, makes the image planes target that specific object plane target imaging is for the benefit of observed and detected, but the use of optical lens often needs to rely on focal plane subassembly to carry out imaging.Focal plane subassembly can record image planes information, and is extracted image planes information by certain image processing software, thus obtains useful image information.
Focal plane subassembly has the dimensions, and mainly determines according to the focal length of optical lens and the field angle of optical lens.The pixel center of focal plane subassembly must overlap with the optical axis center of optical lens, thus realizes image planes symmetry and image sensors' uniformity.Some Centering Method in the past mainly rely on transit or parallel light tube to demarcate optical axis, and by observing the position of infinite distance crosshair graticule target imaging, the position of adjustment focal plane subassembly makes focal plane subassembly pixel center overlap with center of reticule.But for the target of infinite distance, if the directional light of infinite distance is axle outer light beam relative to optical lens, so cross-graduation plate imaging dot center is outside axle, not on optical axis, optical lens center is not overlapped with focal plane subassembly, but due to parallel light tube and transit visual field less, therefore can meet the demands for the camera that the accuracy requirement that centers is not high, but cannot meet the demands for the above method of space flight camera lens that the accuracy requirement that centers is high.
Summary of the invention
In order to solve the above-mentioned technical matters existed in background technology, the invention provides a kind of structure simple, be easy to operate and the system and method at realized optical lens that the precision that centers is high and the high-precision fixed center of focal plane subassembly.
Technical solution of the present invention is: the invention provides a kind of system realizing optical lens and the high-precision fixed center of focal plane subassembly, its special character is: described system comprises autocollimation centrescope, two-dimension adjustment platform and turning axle; Focal plane subassembly to be debugged is arranged on two-dimension adjustment platform; Optical lens to be debugged is arranged on focal plane subassembly to be debugged; Two-dimension adjustment platform can realize translation and pitching adjustment, and translation precision is 0.01mm, and pitching Adjustment precision is 5 "; Described turning axle is connected with two-dimension adjustment platform and drives optical lens to be debugged and focal plane subassembly to be debugged around the axial-rotation of turning axle by two-dimension adjustment platform; Optical lens to be debugged and focal plane subassembly to be debugged are successively set on the emitting light path of autocollimation centrescope.
Based on the Centering Method of system that can realize optical lens and the high-precision fixed center of focal plane subassembly as above, its special character is: said method comprising the steps of:
1) focal plane subassembly to be debugged is placed on two-dimension adjustment platform, by focusing autocollimation centrescope, make the cross-graduation plate target imaging of autocollimation centrescope on focal plane subassembly to be debugged, by pitching and the translation of adjustment two-dimension adjustment platform, when turning axle is rotated, the cross-graduation plate target imaging of autocollimation centrescope is at focal plane subassembly pixel center to be debugged, and shaking volume is less than 5 μm; The now dead in line of focal plane subassembly central shaft to be debugged and turning axle;
2) optical lens to be debugged is contained on focal plane subassembly to be debugged, the autocollimatic picture of each optical element in optical lens to be debugged is observed by autocollimation centrescope, because optical element is all processed through optical centering, its concentricity is high, therefore using one of them autocollimatic picture as the optical axis position of optical lens to be debugged, if camera lens optical axis does not overlap with turning axle, now autocollimatic picture has certain shaking volume in centrescope.By adjusting translation and the pitching of optical lens to be debugged, optical lens image of spherical center to be debugged shaking volume in autocollimation centrescope is made to be less than 5 μm; The now dead in line of optical lens optical axis to be debugged and turning axle.
The registration accuracy during dead in line of above-mentioned focal plane subassembly central shaft to be debugged and turning axle is not less than 5 μm; The registration accuracy of the dead in line of described optical lens optical axis to be debugged and turning axle is not less than 5 μm.
Advantage of the present invention is:
The invention provides a kind of system and method realizing optical lens and the high-precision fixed center of focal plane subassembly, this system comprises autocollimation centrescope, two-dimension adjustment platform and turning axle, optical lens to be debugged and band debugging focal plane subassembly are placed on the emitting light path of autocollimation centrescope, optical lens to be debugged and focal plane subassembly to be debugged are successively set on two-dimension adjustment platform, and two-dimension adjustment platform is connected with turning axle and rotates with turning axle.The present invention is when specifically debugging, first focal plane subassembly is placed on two-dimension adjustment platform, by focusing autocollimation centrescope, make autocollimation centrescope cross-graduation plate target imaging on focal plane subassembly, by pitching and the translation of adjustment two-dimension adjustment platform, when turning axle is rotated, cross-graduation plate target imaging is at focal plane subassembly pixel center, and focal plane subassembly central shaft overlaps with turning axle; Secondly optical lens is arranged on focal plane subassembly, optical lens optical axis position is found by autocollimation centrescope, by adjusting translation and the pitching of optical lens, make optical lens image of spherical center shaking volume in autocollimation centrescope be less than 5 μm, optical lens optical axis overlaps with turning axle.Overlapping and the optical axis of optical lens and overlapping of turning axle of the central shaft of focal plane subassembly and turning axle, thus achieve optical lens optical axis and overlap with the high precision of focal plane subassembly central shaft, thus realize optical lens and the high-precision fixed center of focal plane subassembly.Structure of the present invention is simple, and be easy to operation, the precision that centers is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of system provided by the present invention;
Wherein:
1-autocollimation centrescope; 2-optical lens; 3-focal plane subassembly; 4-two-dimension adjustment platform; 5-turning axle.
Embodiment
As shown in Figure 1, the invention provides a kind of system realizing optical lens and the high-precision fixed center of focal plane subassembly and comprise autocollimation centrescope 1, optical lens 2, focal plane subassembly 3, two-dimension adjustment platform 4, turning axle 5.Focal plane subassembly is arranged on two-dimension adjustment platform; Optical lens is arranged on focal plane subassembly; Turning axle is connected with two-dimension adjustment platform and drives optical lens and focal plane subassembly around the axial-rotation of turning axle by two-dimension adjustment platform; Optical lens and focal plane subassembly are successively set on the emitting light path of autocollimation centrescope.Two-dimension adjustment platform can realize translation and pitching adjustment, and translation precision is 0.01mm, and pitching Adjustment precision is 5 ".
Concrete set-up procedure of the present invention is:
1) focal plane subassembly 3 is placed on two-dimension adjustment platform 4, by focusing autocollimation centrescope 1, make autocollimation centrescope 1 cross-graduation plate target imaging on focal plane subassembly 3, by pitching and the translation of adjustment two-dimension adjustment platform 4, when turning axle 5 is rotated, cross-graduation plate target imaging is at focal plane subassembly 3 pixel center, and shaking volume is less than 5 μm.Now focal plane subassembly 3 central shaft overlaps with turning axle 5, and registration accuracy is better than 5 μm.
2) optical lens 2 is arranged on focal plane subassembly 3, optical lens 2 optical axis position is found (to be observed the autocollimatic picture of each optical element in optical lens to be debugged by autocollimation centrescope by autocollimation centrescope 1, because optical element is all processed through optical centering, its concentricity is high, therefore using one of them autocollimatic picture as the optical axis position of optical lens to be debugged, if camera lens optical axis does not overlap with turning axle, now autocollimatic picture has certain shaking volume in centrescope), by adjusting translation and the pitching of optical lens 2, optical lens 2 image of spherical center shaking volume in autocollimation centrescope 1 is made to be less than 5 μm.Now optical lens 2 optical axis overlaps with turning axle 5, and registration accuracy is better than 5 μm.
Overlapping and the optical axis of optical lens 2 and overlapping of turning axle 5 of the central shaft being completed focal plane subassembly 3 by above step and turning axle 5, thus achieve optical lens 2 optical axis and overlap with the high precision of focal plane subassembly 3 central shaft, thus realize optical lens 2 and the high-precision fixed center of focal plane subassembly 3.
Claims (3)
1. can realize the system at optical lens and the high-precision fixed center of focal plane subassembly, it is characterized in that: described system comprises autocollimation centrescope, two-dimension adjustment platform and turning axle; Focal plane subassembly to be debugged is arranged on two-dimension adjustment platform; Optical lens to be debugged is arranged on focal plane subassembly to be debugged; Described turning axle is connected with two-dimension adjustment platform and drives optical lens to be debugged and focal plane subassembly to be debugged around the axial-rotation of turning axle by two-dimension adjustment platform; Optical lens to be debugged and focal plane subassembly to be debugged are successively set on the emitting light path of autocollimation centrescope; The translation precision of described two-dimension adjustment platform is 0.01mm, and pitching Adjustment precision is 5 ".
2., based on the Centering Method of system that can realize optical lens and the high-precision fixed center of focal plane subassembly as claimed in claim 1, it is characterized in that: said method comprising the steps of:
1) focal plane subassembly to be debugged is placed on two-dimension adjustment platform, by focusing autocollimation centrescope, make the cross-graduation plate target imaging of autocollimation centrescope on focal plane subassembly to be debugged, by pitching and the translation of adjustment two-dimension adjustment platform, when turning axle is rotated, the cross-graduation plate target imaging of autocollimation centrescope is at focal plane subassembly pixel center to be debugged, and shaking volume is less than 5 μm; The now dead in line of focal plane subassembly central shaft to be debugged and turning axle;
2) optical lens to be debugged is contained on focal plane subassembly to be debugged, the autocollimatic picture of each optical element in optical lens to be debugged is observed by autocollimation centrescope, optical axis position using autocollimatic picture as optical lens to be debugged, judge whether the optical axis of optical lens to be debugged overlaps with turning axle, if overlap, then terminate the adjustment that centers; If do not overlap, then there is shaking volume in autocollimatic picture in centrescope; By adjusting translation and the pitching of optical lens to be debugged, optical lens image of spherical center to be debugged shaking volume in autocollimation centrescope is made to be less than 5 μm; The now dead in line of optical lens optical axis to be debugged and turning axle.
3. Centering Method according to claim 2, is characterized in that: the registration accuracy during dead in line of described focal plane subassembly central shaft to be debugged and turning axle is not less than 5 μm; The registration accuracy of the dead in line of described optical lens optical axis to be debugged and turning axle is not less than 5 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510190632.3A CN104880833B (en) | 2015-04-21 | 2015-04-21 | Optical lens and the system and method at the high-precision fixed center of focal plane subassembly can be achieved |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510190632.3A CN104880833B (en) | 2015-04-21 | 2015-04-21 | Optical lens and the system and method at the high-precision fixed center of focal plane subassembly can be achieved |
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| Publication Number | Publication Date |
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| CN104880833A true CN104880833A (en) | 2015-09-02 |
| CN104880833B CN104880833B (en) | 2017-12-19 |
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| CN201510190632.3A Expired - Fee Related CN104880833B (en) | 2015-04-21 | 2015-04-21 | Optical lens and the system and method at the high-precision fixed center of focal plane subassembly can be achieved |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108919513A (en) * | 2018-07-31 | 2018-11-30 | 吉林大学 | A kind of coaxial optical system debugging device and Method of Adjustment |
| CN109407254A (en) * | 2018-11-20 | 2019-03-01 | 长春博信光电子有限公司 | A kind of lens gluing method and balsaming lens |
| CN109450562A (en) * | 2018-11-23 | 2019-03-08 | 长春理工大学 | Off-axis two waveband laser communication comprehensive performance testing system and method |
| CN110595280A (en) * | 2019-09-18 | 2019-12-20 | 中国科学院合肥物质科学研究院 | Device and method for calibrating axis consistency of efficient borescope |
| CN110865465A (en) * | 2019-11-15 | 2020-03-06 | 中国科学院长春光学精密机械与物理研究所 | Device and method for adjusting horizontal reference of plane mirror |
| CN112596258A (en) * | 2020-12-04 | 2021-04-02 | 中国科学院西安光学精密机械研究所 | Debugging method for two-dimensional turntable folded optical assembly |
| CN112683202A (en) * | 2021-03-12 | 2021-04-20 | 西安索唯光电技术有限公司 | Secondary centering device and secondary centering method for detector |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004243510A (en) * | 2003-01-23 | 2004-09-02 | Pentax Corp | Centering apparatus and centering method of optical lens |
| CN201016713Y (en) * | 2007-04-09 | 2008-02-06 | 上海远超微纳技术有限公司 | Optical centering instrument with air bearing rotating platform |
| JP2010122639A (en) * | 2008-11-21 | 2010-06-03 | Olympus Corp | Centering device for lens |
| CN102538689B (en) * | 2011-12-29 | 2014-02-12 | 中国科学院上海光学精密机械研究所 | Centering and locating device of optical system and using method thereof |
| CN204613525U (en) * | 2015-04-21 | 2015-09-02 | 中国科学院西安光学精密机械研究所 | The system at optical lens and the high-precision fixed center of focal plane subassembly can be realized |
-
2015
- 2015-04-21 CN CN201510190632.3A patent/CN104880833B/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108919513A (en) * | 2018-07-31 | 2018-11-30 | 吉林大学 | A kind of coaxial optical system debugging device and Method of Adjustment |
| CN109407254A (en) * | 2018-11-20 | 2019-03-01 | 长春博信光电子有限公司 | A kind of lens gluing method and balsaming lens |
| CN109407254B (en) * | 2018-11-20 | 2021-09-07 | 长春博信光电子有限公司 | Lens gluing method and glued lens |
| CN109450562A (en) * | 2018-11-23 | 2019-03-08 | 长春理工大学 | Off-axis two waveband laser communication comprehensive performance testing system and method |
| CN109450562B (en) * | 2018-11-23 | 2021-02-05 | 长春理工大学 | System and method for testing comprehensive performance of off-axis dual-waveband laser communication |
| CN110595280A (en) * | 2019-09-18 | 2019-12-20 | 中国科学院合肥物质科学研究院 | Device and method for calibrating axis consistency of efficient borescope |
| CN110865465A (en) * | 2019-11-15 | 2020-03-06 | 中国科学院长春光学精密机械与物理研究所 | Device and method for adjusting horizontal reference of plane mirror |
| CN112596258A (en) * | 2020-12-04 | 2021-04-02 | 中国科学院西安光学精密机械研究所 | Debugging method for two-dimensional turntable folded optical assembly |
| CN112596258B (en) * | 2020-12-04 | 2021-09-14 | 中国科学院西安光学精密机械研究所 | Debugging method for two-dimensional turntable folded optical assembly |
| CN112683202A (en) * | 2021-03-12 | 2021-04-20 | 西安索唯光电技术有限公司 | Secondary centering device and secondary centering method for detector |
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