CN204086652U - Realize the adjustment System of off-axis optical system common optical axis - Google Patents
Realize the adjustment System of off-axis optical system common optical axis Download PDFInfo
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- CN204086652U CN204086652U CN201420416900.XU CN201420416900U CN204086652U CN 204086652 U CN204086652 U CN 204086652U CN 201420416900 U CN201420416900 U CN 201420416900U CN 204086652 U CN204086652 U CN 204086652U
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Abstract
The utility model provides a kind of adjustment System for realizing off-axis optical system common optical axis.It comprises interferometer, compensator optical system, cross-graduation board component and plane mirror; Cross-graduation board component is sleeved on compensator optical system end; Interferometer, cross-graduation board component, compensator optical system and plane mirror are successively set in same light path.The utility model provides and a kind ofly makes the adjustment System realizing off-axis optical system common optical axis that off axis reflector mirror optical axis is visual and facilitate the common optical axis of whole off-axis optical system to adjust.
Description
Technical field
The utility model belongs to technical field of optical precise adjustment, relates to a kind of adjustment System for realizing off-axis optical system common optical axis.
Background technology
The diversified development of optical system, develops into off-axis optical system from conventional coaxial optical system, then off-axis optical system till now.The complexity day by day of optical system form, resetting difficulty is increased, for off-axis optical system, owing to not there is optical axis center part from axle optical element, therefore the method utilizing tradition to rotate centration axis cannot realize the adjustment of off-axis optical system common optical axis, thus cannot ensure the final image quality of system.In addition, because off-axis optical system optical element quantity is more, adjust variable when utilizing the method for Computer Aided Assembly Process Planning to carry out auxiliary adjustment to system too many, adjustment validity is reduced, the effective location of each off-axis spherical reflector in off-axis optics can not be realized.
Utility model content
Realize that off-axis optical system common optical axis Adjustment precision is low, process this technical matters complicated to solve in prior art, the utility model provides and a kind ofly makes the adjustment System realizing off-axis optical system common optical axis that off axis reflector mirror optical axis is visual and facilitate the common optical axis of whole off-axis optical system to adjust.
Technical solution of the present utility model is: the utility model provides a kind of adjustment System realizing off-axis optical system common optical axis, and its special character is: the described adjustment System realizing off-axis optical system common optical axis comprises interferometer, compensator optical system, cross-graduation board component and plane mirror; Described cross-graduation board component is sleeved on compensator optical system end; Described interferometer, cross-graduation board component, compensator optical system and plane mirror are successively set in same light path.
Above-mentioned cross-graduation board component comprises cross-graduation plate frock and is arranged on the cross-graduation plate of cross-graduation plate frock inside; Described cross-graduation plate tooling sleeve is contained in compensator optical system end.
Above-mentioned cross-graduation plate frock is through the cross-graduation plate frock of optical centering processing.
The optical axis of above-mentioned cross-graduation plate is coaxial with the mechanical axis at cross-graduation plate frock inner circle place; Described cross-graduation plate frock inner circle is sleeved on the outer rounded ends of compensator optical system; Described cross-graduation plate frock inner circle size and compensator optical system excircle dimension wringing fit.
Above-mentioned compensator optical system comprises compensator optical system picture frame and is arranged on one or more pieces optical compensatory elements of compensator optical system inside; Described cross-graduation plate tooling sleeve is contained in the end of compensator optical system picture frame.
The compensator optical system that above-mentioned compensator optical system is processed through optical centering.
The precision of above-mentioned optical centering processing is a μm order of magnitude.
The utility model has the advantages that:
The utility model provides a kind of adjustment System realizing off-axis optical system common optical axis, this system is based on interference autocollimatic measuring principle, penalty method is utilized to check off axis reflector mirror surface-shaped, when off axis reflector mirror optical axis and compensator optical axis coincidence, off axis reflector mirror surface-shaped error is minimum, now the optical axis of compensator represents the optical axis of off axis reflector mirror, ensure that compensator optical system is through centering processing by design, its cylindrical machinery turning axle and compensator optical axis coincidence, by designing the cross-graduation plate frock coordinated with cylindrical, the optical axis of this frock overlaps with cylindrical machinery turning axle, thus ensure that the optical axis of this cross-graduation plate frock can replace the optical axis of off axis reflector mirror, thus make off axis reflector mirror optical axis visual, the common optical axis of whole off-axis optical system is facilitated to adjust.
Accompanying drawing explanation
Fig. 1 is the general structure schematic diagram of centre of radius positioning assisting tooling;
Fig. 2 is the structural representation of the cross-graduation plate frock that the utility model adopts;
Fig. 3 is the structural representation of the cross-graduation plate that the utility model adopts;
Fig. 4 is the side-looking structural representation of Fig. 3;
Fig. 5 is the compensator location adjustment schematic diagram that the utility model adopts;
Wherein:
1-interferometer; 2-compensator optical system; 3-cross-graduation plate frock; 4-off axis reflector mirror; 5-plane mirror.
Embodiment
The utility model provides a kind of adjustment System realizing off-axis optical system common optical axis, and this adjustment System realizing off-axis optical system common optical axis comprises interferometer 1, compensator optical system 2, cross-graduation board component and plane mirror 5; Cross-graduation board component is sleeved on compensator optical system 2 end; Interferometer 1, cross-graduation board component, compensator optical system 2 and plane mirror 5 are successively set in same light path.
In order to the optical axis of accurately calibration compensation device points to, devise cross-graduation plate frock 3.Cross-graduation plate frock 3 is the cross-graduation board components through optical centering processing, and its structural representation is shown in Figure 2, and cross-graduation plate as shown in Figure 3 and 4.In fig. 2, A represents frock picture frame inner circle size, and B face is the section of centering processing.Can ensure that the optical axis of cross-graduation plate is coaxial with its picture frame inner circle mechanical axis by optical centering processing, and the excircle size wringing fit of picture frame inner periphery size and compensator picture frame.In addition, in order to ensure cylindrical mechanical axis and its optical axis coincidence of compensator, on centering lathe, found the optical axis position of compensator by the principle of optical centering, then use cutting tool finishing picture frame cylindrical, thus ensure that the alignment of cylindrical mechanical axis and camera lens optical axis.According to transmission principle, the optical axis of cross-graduation plate frock 3 can be used for replacing the optical axis of compensator, and the precision of centering processing be a μm order of magnitude, and therefore optical axis substitutes precision and can reach rad level, can the optical axis sensing of accurately calibration compensation device.
Cross-graduation board component comprises cross-graduation plate frock 3 and is arranged on the cross-graduation plate of cross-graduation plate frock 3 inside; Cross-graduation plate frock 3 is sleeved on compensator optical system 2 end.
Compensator optical system 2 comprises compensator optical system picture frame and is arranged on one or more pieces optical compensatory elements of compensator optical system 2 inside; Cross-graduation plate frock 3 is sleeved on the end of compensator optical system picture frame.
Specific works mode of the present utility model is:
1) by interfering arbitrary off axis reflector mirror 4 shapes in autocollimatic method of inspection inspection off-axis optical system and carrying out off axis reflector mirror 4 optical axis location:
1.1) adjust interferometer 1 and make the optical axis of interferometer 1 and the optical axis coincidence of compensator optical system 2; The adjustment System adopted as shown in Figure 5.
The position of adjustment compensator optical system 2, the focus of compensator optical system 2 is overlapped with interferometer 1 focus, compensator optical system 2 exports directional light, directional light reflects Hou Yuan road through plane mirror 5 and returns, formed with incident light and interfere, when the face shape error of compensator optical system 2 is minimum, the optical axis of interferometer 1 and the optical axis coincidence of compensator optical system 2;
1.2) Primary Location is carried out to off axis reflector mirror 4 arbitrary in off-axis optical system;
Off axis reflector mirror 4 arbitrary in off-axis optical system is placed in the light path at interferometer 1 and compensator optical system 2 place, see Fig. 1, Primary Location is carried out to off axis reflector mirror 4 in the position according to interferometer 1, compensator and off axis reflector mirror 4; Compensator is placed on translating rails, and the variable effect of its anterior-posterior translation to compensator optical axis position is little.
1.3) conoscope image is gathered, the Zernike coefficient obtained according to interference data process is to step 1.2) in the position of off axis reflector mirror 4 carry out hard-cover and adjust, make the optical axis of the optical axis of interferometer 1, compensator optical system 2 and the optical axis coincidence of off axis reflector mirror 4; The condition of optical axis coincidence is that off axis reflector mirror 4 face shape error is minimum.
1.4) cross is broken up plate tooling sleeve and be contained in compensator optical system picture frame cylindrical, cross-graduation plate frock 3 optical axis represents the optical axis of off axis reflector mirror 4.
2) principle of carrying out other off axis reflector mirror 4 optical axises of off-axis optical system location is the same, according to step 1) common optical axis adjustment is carried out to other off axis reflector mirrors 4 in off-axis optical system in arbitrary off axis reflector mirror 4 optical axis location in the off-axis optical system that obtains.Be have found the visible optical axis of each off axis reflector mirror 4 by above method, thus the common optical axis adjustment of off-axis reflection optical system can be realized.
Claims (7)
1. realize an adjustment System for off-axis optical system common optical axis, it is characterized in that: the described adjustment System realizing off-axis optical system common optical axis comprises interferometer, compensator optical system, cross-graduation board component and plane mirror; Described cross-graduation board component is sleeved on compensator optical system end; Described interferometer, cross-graduation board component, compensator optical system and plane mirror are successively set in same light path.
2. the adjustment System realizing off-axis optical system common optical axis according to claim 1, is characterized in that: described cross-graduation board component comprises cross-graduation plate frock and is arranged on the cross-graduation plate of cross-graduation plate frock inside; Described cross-graduation plate tooling sleeve is contained in compensator optical system end.
3. the adjustment System realizing off-axis optical system common optical axis according to claim 2, is characterized in that: described cross-graduation plate frock is through the cross-graduation plate frock of optical centering processing.
4. the adjustment System realizing off-axis optical system common optical axis according to claim 3, is characterized in that: the optical axis of described cross-graduation plate is coaxial with the mechanical axis at cross-graduation plate frock inner circle place; Described cross-graduation plate frock inner circle is sleeved on the outer rounded ends of compensator optical system; Described cross-graduation plate frock inner circle size and compensator optical system excircle dimension wringing fit.
5. the adjustment System realizing off-axis optical system common optical axis according to Claims 2 or 3 or 4, is characterized in that: described compensator optical system comprises compensator optical system picture frame and is arranged on one or more pieces optical compensatory elements of compensator optical system inside; Described cross-graduation plate tooling sleeve is contained in the end of compensator optical system picture frame.
6. the adjustment System realizing off-axis optical system common optical axis according to claim 5, is characterized in that: the compensator optical system that described compensator optical system is processed through optical centering.
7. the adjustment System realizing off-axis optical system common optical axis according to claim 6, is characterized in that: the precision of described optical centering processing is μm order of magnitude.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420416900.XU CN204086652U (en) | 2014-07-28 | 2014-07-28 | Realize the adjustment System of off-axis optical system common optical axis |
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| CN201420416900.XU CN204086652U (en) | 2014-07-28 | 2014-07-28 | Realize the adjustment System of off-axis optical system common optical axis |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104181670A (en) * | 2014-07-28 | 2014-12-03 | 中国科学院西安光学精密机械研究所 | System and method for adjusting common optical axis of off-axis optical system |
| CN106767471A (en) * | 2016-09-28 | 2017-05-31 | 中国科学院西安光学精密机械研究所 | Optical interval measurement system and method in a kind of Aspherical-surface testing light path |
| CN113655585A (en) * | 2021-07-28 | 2021-11-16 | 中国科学院西安光学精密机械研究所 | Method for adjusting and detecting zoom imaging lens |
-
2014
- 2014-07-28 CN CN201420416900.XU patent/CN204086652U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104181670A (en) * | 2014-07-28 | 2014-12-03 | 中国科学院西安光学精密机械研究所 | System and method for adjusting common optical axis of off-axis optical system |
| CN106767471A (en) * | 2016-09-28 | 2017-05-31 | 中国科学院西安光学精密机械研究所 | Optical interval measurement system and method in a kind of Aspherical-surface testing light path |
| CN106767471B (en) * | 2016-09-28 | 2022-12-27 | 中国科学院西安光学精密机械研究所 | Optical interval measuring system and method in aspheric surface detection light path |
| CN113655585A (en) * | 2021-07-28 | 2021-11-16 | 中国科学院西安光学精密机械研究所 | Method for adjusting and detecting zoom imaging lens |
| CN113655585B (en) * | 2021-07-28 | 2022-08-05 | 中国科学院西安光学精密机械研究所 | Method for adjusting and detecting zoom imaging lens |
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