CN102749698A - Multi-inclined plane mirror for spectrometer - Google Patents
Multi-inclined plane mirror for spectrometer Download PDFInfo
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- CN102749698A CN102749698A CN2011100994189A CN201110099418A CN102749698A CN 102749698 A CN102749698 A CN 102749698A CN 2011100994189 A CN2011100994189 A CN 2011100994189A CN 201110099418 A CN201110099418 A CN 201110099418A CN 102749698 A CN102749698 A CN 102749698A
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- spectrometer
- cylinder
- mirror
- plane mirrors
- obliquity
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Abstract
The invention relates to a multi-obliquity mirror for a spectrometer, wherein 24 plane mirrors are distributed on an outer periphery side of a cylinder, intersection angles between normals of the plane mirrors and the cylinder bottom face range between 0, -12, 0, +12 and 0 degrees, an angle difference between any two adjacent plane mirrors in upward and downward directions is 2 degrees, + is marked when the normals of the plane mirrors are inclined upward relative to the cylinder bottom, otherwise, - is marked, an inclination parameter is marked on an end face of the cylinder, during adjustment, the multi-obliquity mirror for the spectrometer is placed on an object stage, the object stage and the multi-obliquity mirror for the spectrometer are slowly rotated, once a bright cross image reflected by one of the plane mirrors occurs in an ocular viewing field and is seen, an adjustment direction is judged according to the inclination parameter of the plane mirror, and an optical axis of a self-alignment telescope can be easily adjusted to be perpendicular to a central axis of an apparatus via a half-and-half adjustment method.
Description
Technical field
The present invention relates to a kind of fast adjuster of spectrometer.
Background technology
Spectrometer is a kind of precision optical instrument, also is the foundation structure of many optical instruments simultaneously.Many colleges and universities science and engineering MED all will be done the adjusting and the application experiment of spectrometer; Wherein the auto-collimator optical axis is very difficult perpendicular to the adjusting of centre axle; Reason is that auto-collimator sends " ten " word light bright " ten " word that flat mirror reflects is returned on objective table and often resembles and do not appear in the range of telescope; Learn through actual test; The auto-collimator eyepiece is about 2.5 degree with respect to the subtended angle of centre axle; As long as the angle of range estimation auto-collimator eyepiece optical axis and level crossing normal during coarse adjustment is greater than 1.25 degree, bright " ten " word of flat mirror reflects just resembles and can not appear on the film viewing screen, can't see bright " ten " word and resembles and just can't accomplish the adjusting work of telescope optic axis perpendicular to centre.Use the people of spectrometer for first study; Range estimation guarantees that it is difficult especially that the angle of auto-collimator eyepiece optical axis and level crossing normal is not more than 1.25 degree during coarse adjustment, and bright " ten " word that the somebody spends the time of whole laboratory also to can not find flat mirror reflects resembles.
Summary of the invention
Telescope optic axis and level crossing normal angle are bigger than normal when estimating coarse adjustment in order to overcome, and are difficult to find the difficulty of bright " ten " word elephant in the eyepiece field of view, and the present invention has designed the many flat inclined mirrors of a kind of spectrometer, can be easy in eyepiece field of view, find bright " ten " word to resemble.
The many flat inclined mirrors of described spectrometer are 24 level crossings that on the excircle side of a cylinder, distributing, level crossing normal and cylinder bottom surface angle 0 ,-12,0 ,+change between 12 and 0 degree; Any two adjacent level crossings differential seat angle on above-below direction each other are 2 degree, and level crossing minute surface normal is tilted to subscript "+" number with respect to the cylinder bottom surface, on the contrary mark "-" number; Dip angle parameter is labeled on the cylinder upper surface, when estimating the coarse adjustment telescope optic axis perpendicular to the centre axle, mixes up the telescope focal length behind the infinite distance; The many flat inclined mirrors of described spectrometer are placed on the objective table; Many flat inclined mirrors central shaft overlaps with the objective table central shaft substantially, slowly rotates objective table, and the many flat inclined mirrors of spectrometer and then rotate; Because adjacent two level crossings differ 2 degree on above-below direction; Less than the subtended angle of eyepiece with respect to the centre axle, thus be bound to streak eyepiece field of view always there is bright " ten " word of a flat mirror reflects to resemble in the many flat inclined mirrors of spectrometer, even an excessive velocities is not seen; Slow down rotational speed and just can see that bright " ten " word resembles; Resemble in case see bright " ten " word, just can judge the direction of adjusting according to the inclined-plane parameter of this level crossing, utilization " half and half adjusting method " just can regulate the auto-collimator optical axis very like a cork perpendicular to the centre axle.
The invention has the advantages that many flat inclined mirrors help operators to be easy to find bright " ten " word to resemble, and can judge the adjusting direction, accomplish telescope optic axis smoothly, and and then accomplish this experiment smoothly the vertical adjusting of centre axle according to the dip angle parameter of reflecting surface.
Description of drawings
Below in conjunction with accompanying drawing the present invention is described further.
Fig. 1 is the structural representation of the many flat inclined mirrors of spectrometer.
Among the figure, 1,0 degree plane mirror, 2 ,+12 degree plane mirrors, 3,0 degree plane mirror, 4 ,-12 degree plane mirrors, 5, cylinder, 6, dip angle parameter.
Specific embodiments
In Fig. 1; Process on the excircle side of cylinder (5) that 24 width equate, the uniform sulculus of spacing; Paste a level crossing in each sulculus; Level crossing (1)---(2)---in (3) each level crossing minute surface normal with respect to the angle of cylinder bottom surface be followed successively by 0 ,+2 ,+4 ,+6 ,+8 ,+10 ,+12 ,+10 ,+8 ,+6 ,+4 ,+2 and 0 degree; Level crossing (3)---(4)---in (1) angle of each level crossing minute surface normal and cylinder bottom surface be followed successively by 0 ,-2 ,-4 ,-6 ,-8 ,-10 ,-12 ,-10 ,-8 ,-6 ,-4 ,-2 and 0 degree; Dip angle parameter (6) is labeled on corresponding cylinder (5) upper surface of level crossing, "+" number expression level crossing minute surface normal with respect to the cylinder bottom surface upwards, "-" number then expression is downwards.
Claims (2)
1. many flat inclined mirrors of spectrometer; It is characterized in that 24 level crossings that on the excircle side of a cylinder, distributing; Level crossing normal and cylinder bottom surface angle 0 ,-12,0 ,+change between 12 and 0 degree, any two adjacent level crossings differential seat angle on above-below direction each other are 2 degree, level crossing minute surface normal is tilted to subscript "+" number with respect to the cylinder bottom surface; Otherwise mark "-" number, dip angle parameter is labeled on the cylinder upper surface.
2. the many flat inclined mirrors of spectrometer according to claim 1 is characterized in that the many flat inclined mirrors of spectrometer are placed on the objective table, and many flat inclined mirrors central shaft overlaps with the objective table central shaft substantially.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110099418.9A CN102749698B (en) | 2011-04-20 | 2011-04-20 | Multi-inclined plane mirror for spectrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110099418.9A CN102749698B (en) | 2011-04-20 | 2011-04-20 | Multi-inclined plane mirror for spectrometer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102749698A true CN102749698A (en) | 2012-10-24 |
| CN102749698B CN102749698B (en) | 2014-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110099418.9A Expired - Fee Related CN102749698B (en) | 2011-04-20 | 2011-04-20 | Multi-inclined plane mirror for spectrometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102749698B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5962822A (en) * | 1982-10-04 | 1984-04-10 | Omron Tateisi Electronics Co | Optical separator |
| CN2172876Y (en) * | 1993-11-03 | 1994-07-27 | 庄静葵 | New-type spectrometer |
| CN1896802A (en) * | 2006-03-15 | 2007-01-17 | 四川大学 | Fast adjuster of spectrometer |
| CN202033510U (en) * | 2011-04-20 | 2011-11-09 | 四川大学 | Spectrometer multi-flat inclined mirror |
-
2011
- 2011-04-20 CN CN201110099418.9A patent/CN102749698B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5962822A (en) * | 1982-10-04 | 1984-04-10 | Omron Tateisi Electronics Co | Optical separator |
| CN2172876Y (en) * | 1993-11-03 | 1994-07-27 | 庄静葵 | New-type spectrometer |
| CN1896802A (en) * | 2006-03-15 | 2007-01-17 | 四川大学 | Fast adjuster of spectrometer |
| CN202033510U (en) * | 2011-04-20 | 2011-11-09 | 四川大学 | Spectrometer multi-flat inclined mirror |
Non-Patent Citations (3)
| Title |
|---|
| 庄静葵等: "用三面镜快速调节分光计", 《物理实验》, vol. 15, no. 1, 28 February 1995 (1995-02-28), pages 33 - 34 * |
| 杜晓晗等: "分光计调整中快速寻找"十"字像的方法", 《大学物理实验》, vol. 23, no. 5, 31 October 2010 (2010-10-31), pages 54 - 55 * |
| 谢银月: "分光计调整方法的改进", 《物理与工程》, vol. 20, no. 4, 31 August 2010 (2010-08-31) * |
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| Publication number | Publication date |
|---|---|
| CN102749698B (en) | 2014-04-09 |
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