CN201078743Y - Angle calibration apparatus for angle changeable including monochromator optical spectrum tuning - Google Patents
Angle calibration apparatus for angle changeable including monochromator optical spectrum tuning Download PDFInfo
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- CN201078743Y CN201078743Y CNU2006200294097U CN200620029409U CN201078743Y CN 201078743 Y CN201078743 Y CN 201078743Y CN U2006200294097 U CNU2006200294097 U CN U2006200294097U CN 200620029409 U CN200620029409 U CN 200620029409U CN 201078743 Y CN201078743 Y CN 201078743Y
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- autocollimator
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Abstract
The utility model belongs to spectroscopic technical field, in particular relating to a spectral tuning angle calibration device for monochromator. The device comprises a photoelectric auto-collimator straight tube, a multi-angle optical prism frame, a multi-angle optical prism, a connecting bolt, a tested optical workpiece, an auto-collimator straight tube adjusting platform, a hanging lamp, a tension spring, a raster fixed ruler, a raster movable ruler, a pushing prod of scotch yoke and a supporting frame. The straight-line displacement of the pushing prod of scotch yoke is controlled to push the auto-collimator straight tube adjusting platform move and make the tested optical workpiece turn Alfa angle to change; at that time, the multi-angle optical prism at the other side of the auto-collimator straight tube adjusting platform tested by the optical-electrical auto-collimator also turns Alfa angle to change, which is the turning angle of the tested optical workpiece 5. The new method of the invention has the advantages of simple operation, high calibration precision and easy practicing at site, which can be applied in testing large turning angle of various optical flat mirror.
Description
Technical field
Patent of the present invention belongs to the spectral technique field, relates in particular to a kind of new method of optical spectrum tuning angle calibration of monochromator with variable included angle.Having overcome in the past, spectral tuning angle scene is difficult to implement shortcomings such as complicated operation.
Background technology
Variable-included-angle monochromator is a kind of monochromator spectral tuning mode of complexity, be usually used in the large-scale science engineering, as: in the large-scale synchrotron radiation light beam line beam splitting system, the optical spectrum tuning angle calibration of monochromator with variable included angle method is the gordian technique of building variable-included-angle monochromator.Optical spectrum tuning angle calibration of monochromator with variable included angle adopts the high-precision laser interferometer in the past, because laser interferometer side angle scope is little, and service condition harshness particularly, shortcomings such as complicated operation.To carry out wide-angle at the scene and demarcate very difficulty of acquisition high-precision calibrating.
Summary of the invention
For solving at variable-included-angle monochromator spectral tuning angle scene, carry out wide-angle and demarcate this difficult problem of acquisition high-precision calibrating difficulty, the present invention adopts the self-control polygon prism, be equipped with high precision photoelectric autocollimator reading, solved that the angle calibration scope was little in the past, on-the-spot change comprises the angle actual angle and is difficult to problems such as demarcation, can become in the on-the-spot realization of experiment to comprise angle wide-angle measurement, and variable-included-angle monochromator spectral tuning angle high-precision is demarcated.
Technical solution of the present invention comprises: photoelectric auto-collimation pipe, polygonal optical prism frame, polygonal optical prism, attachment screw, tested optical element, autocollimator are regulated platform, clothes-hook, extension spring, grating scale, the moving chi of grating, sine mechanism push rod, support.
The static annexation of each parts: the polygonal optical prism frame location and fastening of at first polygonal optical prism being packed into, the tested optical element autocollimator of packing into is regulated location and fastening on the platform, thereafter polygonal optics rib frame is installed to autocollimator and regulates on the platform and guarantee the optical flat coplane of polygonal optical prism benchmark bottom surface and tested optical element and make the vertical photoelectricity autocollimator of its prism facets axis; Regulate the rack shaft center line and make its optical flat coplane and vertical photoelectricity autocollimator axis in tested optical element; Grating scale, the moving parallel sine mechanism push rod of chi of grating are contained on the pedestal, and make sine mechanism push rod vertical support frame shaft centerline; With clothes-hook, extension spring, be respectively installed to autocollimator and regulate on platform and the pedestal.
The dynamic duty process: polygonal optical prism and tested optical element are regulated location and fastening on the platform with the autocollimator of packing into, the straight-line displacement of control sine mechanism push rod promotes autocollimator and regulates the platform rotation, thereby has finished the big corner high precision calibration of tested optical element by the accurate optics corner that receives polygonal optics rib of photoelectric auto-collimation pipe.
Special polygonal optical prism is the angular range that will demarcate according to grating and level crossing, makes equi-angularly space polyhedron angle mirror respectively.Its angular spacing is respectively: 180 °-n α; N is an integer, can select in the 1-50 scope as required, and α can select in 1-5 ° of scope as required, and polygonal optical prism circumradius equals the support axle center to polygonal optical prism face vertical range.It is unusual difficulty that the angular spacing precision of this low-angle polyhedron angle mirror will be controlled in the margin tolerance of requirement, in order to solve of the influence of processing angle error to stated accuracy, at first the angular spacing of every angle mirror is demarcated test with precision goniometer, it demarcates precision≤0.1 of test ".Carry out the demarcation of grating and level crossing corner accuracy with this actual angle value of demarcating test as standard angle (angle true value) again.
The using method of this device: the polygonal optical prism frame (as: Fig. 1) of at first polygonal optical prism being packed into location is also fastening; The tested optical element autocollimator of packing into is regulated location and fastening on the platform; Thereafter polygonal optics rib frame being installed to autocollimator regulates on the platform and guarantees the optical flat coplane of polygonal optical prism benchmark bottom surface and tested optical element and make the vertical photoelectricity autocollimator of its prism facets axis (optical axis); Regulate the rack shaft center line and make its optical flat coplane and vertical photoelectricity autocollimator axis in tested optical element; Grating scale, the moving parallel sine mechanism push rod of chi of grating are contained on the pedestal, and make sine mechanism push rod vertical support frame shaft centerline; With clothes-hook, extension spring, be respectively installed to autocollimator and regulate on platform and the pedestal.The straight-line displacement of control sine mechanism push rod promotes autocollimator and regulates platform and rotate, and makes that tested optical element turns over the variation of α angle it on; Also turn over α angle variation by the polygonal optical prism that the photoelectric auto-collimation pipe records opposite side on the autocollimator adjusting platform this moment.(as: pivoted arm equates that with polygonal optical prism circumradius at this moment the angle that tested optical element turned over equates with the angle that polygonal optical prism is turned over when getting sine mechanism push rod vertical support frame shaft centerline.)
New method of the present invention has advantages such as simple to operate, that calibration precision is high, execute-in-place is easy to implement; Can be applicable in the test of the big corner of various optical flat mirrors.
Description of drawings:
Fig. 1 is a synoptic diagram of the present invention;
Parts shown in Figure 1 are: photoelectric auto-collimation pipe 1, polygonal optical prism frame 2, polygonal optical prism 3, attachment screw 4, tested optical element 5, autocollimator are regulated platform 6, clothes-hook 7, extension spring 8, grating scale 9, the moving chi 10 of grating, sine mechanism push rod 11, support 12.
Embodiment
Embodiments of the invention: dynamic annexation; It among Fig. 1 a kind of new method of optical spectrum tuning angle calibration of monochromator with variable included angle.To accurately be placed in the light path when debuging first photoelectric auto-collimation pipe 1; Regulate sine mechanism push rod 11 and make its vertical and autocollimator adjusting platform 6 pivoted arms, make that the optics zero-bit overlaps with mechanical zero on the tested optical element 5; At this moment also guaranteed the axis of polygonal optical prism 3 perpendicular to photoelectric auto-collimation pipe 1; The displacement of regulating and controlling sine mechanism push rod 11 during the test beginning makes autocollimator regulate platform 6 and rotates and drive tested optical element 5 isogonisms rotation; Because of polygonal optical prism 3 with its be installed in autocollimator regulate on the platform 6 solid on photoelectric auto-collimation pipe 1 institute's receiving optical signals be exactly the angle that tested optical element 5 is turned over.Carry out the high-precision demarcation of wide-angle by the method at the scene with regard to having finished very easily.1 photoelectric auto-collimation pipe, 4 attachment screws, 7 clothes-hooks, 9 grating scales, 10 gratings move chi, are outsourcing piece; , 3 polygonal optical prisms, 5 tested optical elements, for making part, material K9 glass; 2 polygonal optical prism framves, 6 autocollimators are regulated platform, 8 extension springs, 11 sine mechanism push rods, 12 supports for making part, material (1Cr18Ni9Ti).
Claims (3)
1. the device of an optical spectrum tuning angle calibration of monochromator with variable included angle is characterized in that this device comprises: photoelectric auto-collimation pipe (1), polygonal optical prism frame (2), polygonal optical prism (3), attachment screw (4), tested optical element (5), autocollimator adjusting platform (6), clothes-hook (7), extension spring (8), grating scale (9), the moving chi (10) of grating, sine mechanism push rod (11), support (12);
The static annexation of each parts: at first polygonal optical prism (3) is positioned at polygonal optical prism frame (2) and goes up location and fastening, tested optical element (5) is positioned at autocollimator to be regulated platform (6) and goes up location and fastening, thereafter polygonal optics rib frame (2) is installed in autocollimator and regulates platform (6) and go up and guarantee the optical flat coplane of polygonal optical prism (6) benchmark bottom surface and tested optical element (5) and make the vertical photoelectricity autocollimator of its prism facets (1) axis; Regulate the rack shaft center line and make its optical flat coplane and vertical photoelectricity autocollimator (1) axis in tested optical element (5); Grating scale (9), grating move the parallel sine mechanism push rod of chi (10) (11) position on pedestal, and make sine mechanism push rod (11) vertical support frame (12) shaft centerline; Clothes-hook (7), extension spring (8), regulate on platform (6) and the pedestal to autocollimator.
2. according to the device of the described a kind of optical spectrum tuning angle calibration of monochromator with variable included angle of claim 1, it is characterized in that its angular spacing of polygonal optical prism (3) is respectively: 180 °-n α; N is an integer, selects in the 1-50 scope as required, and α can select in 1-5 ° of scope as required, and polygonal optical prism circumradius equals the support axle center to polygonal optical prism face vertical range.
3. according to the device of the described a kind of optical spectrum tuning angle calibration of monochromator with variable included angle of claim 1, precision≤0.1 that it is characterized in that its demarcation test ", and this actual angle value of demarcating test is carried out the demarcation of grating and level crossing corner accuracy as standard angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200294097U CN201078743Y (en) | 2006-09-29 | 2006-09-29 | Angle calibration apparatus for angle changeable including monochromator optical spectrum tuning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200294097U CN201078743Y (en) | 2006-09-29 | 2006-09-29 | Angle calibration apparatus for angle changeable including monochromator optical spectrum tuning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201078743Y true CN201078743Y (en) | 2008-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200294097U Expired - Fee Related CN201078743Y (en) | 2006-09-29 | 2006-09-29 | Angle calibration apparatus for angle changeable including monochromator optical spectrum tuning |
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| CN (1) | CN201078743Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102096196A (en) * | 2010-12-31 | 2011-06-15 | 中国科学院西安光学精密机械研究所 | Assembling and adjusting method for batch production of beam splitting systems and corresponding assembling and adjusting tooling |
| CN117346887A (en) * | 2023-12-04 | 2024-01-05 | 中国科学院长春光学精密机械与物理研究所 | Stray light measuring method outside field of view of cavity type absolute radiometer |
-
2006
- 2006-09-29 CN CNU2006200294097U patent/CN201078743Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102096196A (en) * | 2010-12-31 | 2011-06-15 | 中国科学院西安光学精密机械研究所 | Assembling and adjusting method for batch production of beam splitting systems and corresponding assembling and adjusting tooling |
| CN102096196B (en) * | 2010-12-31 | 2012-06-27 | 中国科学院西安光学精密机械研究所 | Assembling and adjusting method for batch production of beam splitting systems and corresponding assembling and adjusting tooling |
| CN117346887A (en) * | 2023-12-04 | 2024-01-05 | 中国科学院长春光学精密机械与物理研究所 | Stray light measuring method outside field of view of cavity type absolute radiometer |
| CN117346887B (en) * | 2023-12-04 | 2024-02-02 | 中国科学院长春光学精密机械与物理研究所 | Stray light measuring method outside field of view of cavity type absolute radiometer |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080625 Termination date: 20091029 |