CN100521413C - Laser coaxial regulating assistant and method thereof - Google Patents
Laser coaxial regulating assistant and method thereof Download PDFInfo
- Publication number
- CN100521413C CN100521413C CNB2007100104674A CN200710010467A CN100521413C CN 100521413 C CN100521413 C CN 100521413C CN B2007100104674 A CNB2007100104674 A CN B2007100104674A CN 200710010467 A CN200710010467 A CN 200710010467A CN 100521413 C CN100521413 C CN 100521413C
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- laser
- telescope
- word
- spectrometer
- objective table
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Abstract
The laser-coaxial aiding adjuster comprises the columns including the laser column, the observation window and the telescope column, and the laser having the cross fork front window, and the laser beam coincides with the telescope optical axis; the regulation method of the spectrometer is; the measured optical component placed on the supporting platform, and the telescope column connecting with the laser coaxial aiding adjuster, and the laser beam passing through the telescope and exposing to the measured optical component on the supporting platform, and regulating the supporting platform and the telescope leveling screws, to make the reflective spot '+' shadow coincidence with the laser front window '+' shadow, and then, rotating the supporting platform to another optical surface, repeating the above operations, to make the reflective spot '+' shadow of each optical surface of the measured optical component coincidence with the laser front window '+' shadow, which indicates that the telescope optical axis is perpendicular to the equipment center rotor axis, and it can directly use the optical components to measure, to achieve the integration of the regulation and the test.
Description
Technical field
The present invention relates to optical instrument and field of optical measuring technologies, be used for the adjusting and the use of optical instruments such as spectrometer.
Background technology
Spectrometer is a kind of instrument that accurately takes measurement of an angle, and it is the part of many optical instruments commonly used, and simultaneously, spectrometer also is the underlying instrument of university's optical physics experiment, is widely used in the Physical Experiment.
Spectrometer is as a kind of measuring instrument of precision, must carefully regulate and use proper, could be used for effectively measuring.Spectromenter Adjustment uses the deficiencies in the prior art part to be: (1) is in the adjusting of spectrometer, with " the auto-collimation principle makes telescope focus on the infinity " and " make telescope optic axis vertical with the centre rotating shaft " very difficult adjusting.The main cause of difficulty is because of level crossing on the objective table and telescope optic axis out of plumb, and reflection " ten " word looks like to be difficult for appearing in the visual field.(2) elder generation regulates with the level crossing (two mirrors) that the two sides is coated with reflectance coating, changes optical element to be measured after mixing up again.And the position that optical element to be measured and level crossing are placed on the objective table has off-centre slightly, and " ten " word picture that generally reflects does not overlap with cross hair with regulating yet, and what have still can not find reflection " ten " word picture in range of telescope, also need continue adjusting.Such adjusting is wasted time and energy, and should not grasp.
Summary of the invention
The purpose of this invention is to provide a kind of laser coaxial and help the accent device, make laser beam and telescope optic axis coaxial, and realize transferring surveying and unify, promptly directly regulate with optical element to be measured, needn't regulate with plane mirror earlier, change optical element to be measured again and measure, solve and regulate the problem that wastes time and energy, make and regulate intuitive and convenient, operation easily.
Technical scheme of the present invention is that laser coaxial helps accent device and control method thereof, laser coaxial helps transfers device by sleeve, laser constitution, its structure is that described sleeve is by the laser sleeve, observation window and telescope extend neck are formed, the laser sleeve set laser, the telescope extend neck is sleeved on the telescopical eyepiece lens barrel of spectrometer, observation window is between laser sleeve and telescope extend neck, the lightening hole of laser places in the observation window, described laser has the crosshair front window, the crosshair front window as for the laser lightening hole before, laser beam passes the intersection point of crosshair, and the laser beam of laser overlaps with telescope optic axis;
Laser coaxial of the present invention helps the accent device, and its structure is that the described sleeve of being made up of laser sleeve, observation window and telescope extend neck is a sleeve of making one;
Laser coaxial of the present invention helps the accent device, it is characterized in that laser sleeve, observation window and the telescope extend neck of described sleeve is split production, the sleeve that connects to form by connector;
Laser coaxial of the present invention helps transfers the control method of device to be: place optical element to be measured on the spectrometer objective table, cover connects laser coaxial and helps the accent device on spectrometer telescope lens barrel, light laser, laser beam shines optical element to be measured on the objective table by telescope, with half and half adjusting method, regulate corresponding screw and telescope levelling bolt under the objective table, observe by observation window, make the reverberation of optical element get back to the lightening hole of laser by telescope, and " ten " word shadow in the flare is overlapped with " ten " word cross hair of laser front window, then, the rotation objective table drives optical element to be measured and forwards another optical surface to, make reverberation get back to the lightening hole of laser by telescope by half and half adjusting method, and " ten " word before " ten " word shadow and the laser lightening hole in the flare is overlapped, rotate objective table so repeatedly several times, make the flare of each optical surface of optical element to be measured can both get back to the lightening hole of laser, and " ten " word shadow in the flare is overlapped with " ten " word of laser front window, the optical axis that shows laser is vertical with the central rotating shaft of instrument, and promptly telescope optic axis and centre rotating shaft are orthogonal.
The invention has the advantages that the adjusting simple and direct-viewing operation of spectrometer, available optical element to be measured is directly regulated and is measured, and realizes transferring surveying and unifies.
Description of drawings
The present invention has accompanying drawing two width of cloth,
Fig. 1 is that laser coaxial helps accent device structural representation
Fig. 2 is the transverse sectional view that laser coaxial helps the crosshair front window place that transfers device
In the accompanying drawing, 1. laser sleeve 2. lasers 3. laser crosshair front windows 4. observation windows 5. telescope extend necks 6. telescopes
Embodiment
Accompanying drawing has provided one embodiment of the present of invention.Laser coaxial helps transfers the sleeve of device to make one, sleeve is divided into three sections, first section is the laser sleeve, suit the laser that has the crosshair front window, and second section is observation window, is to leave a rectangular inspection hole on sleeve, the 3rd section is the telescope extend neck, be sleeved on the telescopical eyepiece, the internal diameter of each section of sleeve respectively with laser and telescopical outer through matching, laser beam is overlapped with telescope optic axis.Concrete control method exemplifies as follows during use:
Transfer and survey embodiment 1: survey the prism drift angle with autocollimation method
Prism is placed on the objective table, makes the line of optical surface of prism and following two adjustment screw of objective table orthogonal.
(1) regulate: the socket laser coaxial helps the accent device on the spectrometer telescope, light laser, laser beam shines a certain optical surface of the prism on the objective table by telescope, with half and half adjusting method, regulate the screw and the telescope levelling bolt of this face correspondence under the objective table, observe at observation window, make reverberation get back to the lightening hole of laser, and " ten " word shadow in the flare is overlapped with " ten " word of laser front window by telescope.Rotate objective table and drive prism and forward another optical surface to, make reverberation get back to the lightening hole of laser, and preceding " ten " word of " ten " word shadow and laser lightening hole in the flare is overlapped by telescope by half and half adjusting method.So repeatedly several times, rotate objective table, make the flare of prism two optical surfaces can both get back to the lightening hole of laser, and " ten " word shadow in the flare is overlapped with " ten " word of laser front window.This optical axis that just shows laser is vertical with the centre rotating shaft, and promptly telescope optic axis and centre rotating shaft are orthogonal.
(2) measure: after mixing up, record rotates objective table makes prism two optical surface flares get back to the lightening hole of laser respectively, and make " ten " word shadow in the flare overlap corresponding position, angle, back with " ten " word of laser front window, two jiaos of positions poor, be the supplementary angle of prism drift angle, the difference that 180 degree deduct two jiaos of positions is the prism drift angle, has promptly recorded the prism drift angle.This method light path is regulated the back, and directly measurement is convenient, simple and direct.
Transfer and survey embodiment 2: be long with diffraction grating photometry wave-wave
Grating is placed on the objective table, grating is on the perpendicular bisector of two set screw lines under the objective table.
(1) transfer telescope optic axis vertical with the centre rotating shaft.The socket laser coaxial helps the accent device on the spectrometer telescope, light laser, laser beam shines certain one side of grating by telescope, with half and half adjusting method, regulate the screw and the telescope levelling bolt of this face correspondence under the objective table, make reverberation get back to the lightening hole of laser, and " ten " word shadow in the flare is overlapped with " ten " word of laser front window by telescope.After rotation objective table drive grating turns over 180 degree, make illumination be mapped to the another side of grating, use half and half adjusting method again, regulate the screw and the telescope levelling bolt of this face correspondence under the objective table, make reverberation get back to the lightening hole of laser, and " ten " word shadow in the flare is overlapped with " ten " word of laser front window by telescope.So repeatedly several times, moving 180 degree of objective table revolution, the flare on grating two sides can both be got back to the lightening hole of laser, make in the flare is that " ten " word shadow overlaps with " ten " word of laser front window, this just shows that the optical axis of laser and centre rotation axis are orthogonal, and promptly telescope optic axis is vertical with the centre rotating shaft.
(2) transfer telescope to focus on the infinity.Keep grating and telescopical relative position motionless, unload laser coaxial and help the accent device, light the little illuminating lamp in the spectrometer telescope, regulate the eyepiece focusing handwheel, it is clear to make graticle " directrix " and have " ten " word of green little cross window, unclamp the eyepiece stalk lock-screw again, move forward and backward eyepiece lens barrel (changing the relative position of object lens and graticle and eyepiece), " ten " word is appeared on the telescope graticle as clear.(owing to transferred telescope optic axis vertical earlier with the centre rotating shaft, and mobile eyepiece lens barrel, reflection " ten " word picture appears at the visual field very soon.) be that telescope accommodates to the infinity.
(3) leveling row light pipe.
(4) directly long with grating photometry wave-wave.
Claims (1)
1, laser coaxial helps the control method of transferring device, laser coaxial helps transfers device by laser, the laser sleeve, observation window and telescope extend neck are formed, the laser sleeve set laser, the telescope extend neck is sleeved on the telescopical eyepiece lens barrel of spectrometer, observation window is between laser sleeve and telescope extend neck, the lightening hole of laser places in the observation window, described laser has the crosshair front window, before the crosshair front window places the laser lightening hole, make laser beam pass the intersection point of crosshair, the laser beam of laser overlaps with telescope optic axis, it is characterized in that described laser coaxial helps the control method of accent device to be: on the spectrometer objective table, place optical element to be measured, cover connects laser coaxial and helps the accent device on spectrometer telescope lens barrel, light laser, laser beam shines optical element to be measured on the objective table by telescope, with half and half adjusting method, regulate corresponding screw and telescope levelling bolt under the objective table, observe by observation window, make the reverberation of optical element get back to the lightening hole of laser by telescope, and " ten " word shadow in the flare is overlapped with " ten " word cross hair of laser front window, then, the rotation objective table drives optical element to be measured and forwards another optical surface to, make reverberation get back to the lightening hole of laser by telescope by half and half adjusting method, and " ten " word before " ten " word shadow and the laser lightening hole in the flare is overlapped, rotate objective table so repeatedly several times, make the flare of each optical surface of optical element to be measured can both get back to the lightening hole of laser, and " ten " word shadow in the flare is overlapped with " ten " word of laser front window, the optical axis that shows laser is vertical with the central rotating shaft of spectrometer, and promptly telescope optic axis and spectrometer central rotating shaft are orthogonal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100104674A CN100521413C (en) | 2007-02-12 | 2007-02-12 | Laser coaxial regulating assistant and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100104674A CN100521413C (en) | 2007-02-12 | 2007-02-12 | Laser coaxial regulating assistant and method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101013051A CN101013051A (en) | 2007-08-08 |
| CN100521413C true CN100521413C (en) | 2009-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100104674A Expired - Fee Related CN100521413C (en) | 2007-02-12 | 2007-02-12 | Laser coaxial regulating assistant and method thereof |
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| CN (1) | CN100521413C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102033320B (en) * | 2009-09-25 | 2012-10-03 | 深圳市大族激光科技股份有限公司 | Light splitting device, laser inspection device and laser inspection method |
| CN103701027A (en) * | 2013-12-20 | 2014-04-02 | 上海电机学院 | End face observer |
| CN105845008B (en) * | 2016-05-17 | 2018-09-11 | 皖西学院 | A kind of embedded laser assisted device of spectrometer and its operating method |
| CN108344712A (en) * | 2018-04-12 | 2018-07-31 | 广东海洋大学 | A kind of measuring device and its measurement method of Refractive Index of Material |
| CN109794676B (en) * | 2018-12-26 | 2020-11-13 | 大族激光科技产业集团股份有限公司 | Reflector light beam adjusting structure and laser welding head |
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2007
- 2007-02-12 CN CNB2007100104674A patent/CN100521413C/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN101013051A (en) | 2007-08-08 |
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Free format text: FORMER OWNER: HU YUCAI QU BING Owner name: DALIAN OCEAN UNIVERSITY Free format text: FORMER OWNER: YANG GUIJUAN Effective date: 20101203 |
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Free format text: CORRECT: ADDRESS; FROM: 116023 COLLEGE OF SCIENCE, DALIAN OCEAN UNIVERSITY, LIAONING PROVINCE TO: 116023 COLLEGE OF SCIENCE, DALIAN OCEAN UNIVERSITY, NO.52, HEISHIJIAO STREET, SHAHEKOU DISTRICT, DALIAN CITY, LIAONING PROVINCE |
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Effective date of registration: 20101203 Address after: Heishijiao street Shahekou Dalian District 116023 of Liaoning Province, No. 52 Dalian Ocean University Patentee after: Dalian Ocean University Address before: 116023 School of science, Dalian Fisheries College, Liaoning Co-patentee before: Hu Yucai Patentee before: Yang Guijuan Co-patentee before: Qu Bing |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090729 Termination date: 20110212 |