CN201210212Y - Tunable laser attenuating device - Google Patents
Tunable laser attenuating device Download PDFInfo
- Publication number
- CN201210212Y CN201210212Y CNU2008200678217U CN200820067821U CN201210212Y CN 201210212 Y CN201210212 Y CN 201210212Y CN U2008200678217 U CNU2008200678217 U CN U2008200678217U CN 200820067821 U CN200820067821 U CN 200820067821U CN 201210212 Y CN201210212 Y CN 201210212Y
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- wedge
- attenuator
- attenuating
- translation
- light mouth
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Abstract
The utility model relates to an adjustable laser attenuating device that is used for attenuating and adjusting the energy of the laser, which comprises a box body, wherein, the front end and the rear end of the box body are respectively provided with a front light through port and a rear light through port, and is characterized in that an optical-wedge slide adjustable attenuating device is arranged inside the box body corresponding to the front and the rear light through ports; the optical-wedge slide adjustable attenuating device comprises a fixed short optical-wedge attenuating plate and a movable long optical-wedge attenuating plate that is matched with the fixed short optical-wedge attenuating plate; the movable long optical-wedge attenuating plate is connected with an electric translational mechanism; the translational direction of the electric translational mechanism is paralleled to the matched wedge side between the fixed short optical-wedge attenuating plate and the movable long optical-wedge attenuating plate. The device has the continuous adjustable function, and not only can provide the continuous laser energy attenuation within a small range to realize the higher adjustment attenuation precision, but also can realize the continuous laser energy attenuation within a wide range by adding or reducing the attenuating plate. The device is provided with an electric translational mechanism, so that the adjustment of the attenuation quantity can be automatically performed, and the application and operation are convenient.
Description
Technical field
The utility model relate to a kind of be used for decaying adjust the adjustable laser attenuating device of laser energy.
Background technology
Laser attenuator assembly is used for the decay to laser beam energy, and the subject matter that existing laser attenuation device exists is that the scope of decay adjustment is little, and the precision of adjustment is low.The use operation of some laser attenuation device is also convenient inadequately.
Summary of the invention
Technical problem to be solved in the utility model is the deficiency that exists at above-mentioned prior art and a kind of adjustable laser attenuating device is provided, and this device setting range that not only decays is big, adjustment precision height, and use easy to operate.
The utility model is that the technical scheme that problem adopted of the above-mentioned proposition of solution is: include a casing, the logical light mouth in Tong Guangkou and back before install respectively the rear and front end of casing, its difference is in casing before the correspondence, the logical light mouth in back is installed on wedge slide adjustable damping device, described wedge slide adjustable damping device include fixing short wedge attenuator and with the moving long wedge attenuator of its phase configuration, moving long wedge attenuator and electric translation mechanism link, and the translation direction of electric translation mechanism cooperates wedge surface to parallel with fixing short wedge attenuator and moving long wedge attenuator.
Press such scheme, described fixing short wedge attenuator is identical with the angle of wedge angle of moving long wedge attenuator, and angle of wedge angle is 8~20 °, constitutes parallel wedge.
Press such scheme, logical light mouth is installed on lens barrel in the back, is inserted with one or more pieces laser attenuation sheets in the lens barrel.
Press such scheme, install the protection eyeglass respectively at forward and backward logical light mouth.
Press such scheme, described electric translation mechanism comprises the translation track base and is installed in translation slide block in the translation track base, and the translation slide block links to each other with a straight line stepper motor, disposes displacement transducer in a side of translation slide block.
The utility model is owing to adopt said structure, and the long wedge attenuator of electric translation mechanism urges moves the thickness of the parallel wedge of change along the guide rail straight line, makes the variation of produce power damping capacity when laser passes through optical medium, and displacement transducer provides the Displacement Feedback value.The lens barrel of the logical light mouth in back is installed the laser attenuation sheet can provide the control of segmentation pad value in a big way as required.External light shield is used to weaken the parasitic light that laser produces by each optical element of attenuator the time.The laser beam deflection angle is not more than 40 ", by the assembling of parallel wedge and the mobile accuracy control of guide rail.
The beneficial effects of the utility model are to change by the parallel wedge of a variable thickness and fixing attenuator group the luminous flux of light beam, attenuation range is big, possesses continuous adjustable function, continuous laser energy attenuation in both can providing more among a small circle, reach higher adjustment attenuation accuracy, also can provide large-scale energy laser attenuation, thereby realize large-scale continuous laser energy attenuation by increasing, subtract attenuator.The utility model is provided with electric translation mechanism, can carry out the adjustment of damping capacity automatically, uses easy to operate.
Description of drawings
Fig. 1 is the plan structure figure of an embodiment of the utility model.
Fig. 2 is the cut-open view of A-A among Fig. 1.
Embodiment
Further specify embodiment of the present utility model below in conjunction with accompanying drawing; include a casing 6; casing is furnished with loam cake 12; the logical light mouth 11 in logical light mouth 13 and back before install respectively the rear and front end of casing; be installed on light shield 14 and dispose the protection eyeglass at preceding logical light mouth; front end at the logical light mouth in back is installed on honeycomb barricade 8 and configuration protection eyeglass; in casing before the correspondence; the logical light mouth in back is installed on wedge slide adjustable damping device; described wedge slide adjustable damping device include fixing short wedge attenuator 3 and with the moving long wedge attenuator 5 of its phase configuration; described fixing short wedge attenuator is identical with the angle of wedge angle of moving long wedge attenuator; it is 10 °; moving long wedge attenuator and electric translation mechanism link; the translation direction of electric translation mechanism cooperates wedge surface to parallel with fixing short wedge attenuator and moving long wedge attenuator, forms the parallel wedge of a thickness variable.Described electric translation mechanism comprises translation track base 7 and is installed in translation slide block 4 in the translation track base, and the translation slide block links to each other with a straight line stepper motor 1, disposes displacement transducer 2 in a side of translation slide block.Logical light mouth also is installed on lens barrel 9 in the back, is inserted with one or more pieces laser attenuation sheets 10 in the lens barrel, and the laser attenuation sheet can be followed according to needs different fixed attenuation values is provided.The optical axis center of the fixing short wedge attenuator of the honeycomb barricade of logical light mouth protection eyeglass, light shield, the logical light mouth in back and protection eyeglass, lens barrel, laser attenuation sheet and wedge slide adjustable damping device, moving long wedge attenuator is all on same straight line before above-mentioned.Attenuator of the present utility model can be made of the uniform material of optical transmission performance, and two surface plating height of laser-transmitting increase the optical lens film.
The course of work of present embodiment is as follows: laser beam is from light shield; preceding logical light mouth protection eyeglass passes; see through fixing short wedge attenuator; the parallel wedge that moving long wedge attenuator is formed carries out energy and decays continuously; linear electric motors drive moving long wedge attenuator by sliding shoe and move; the continuity that realizes parallel wedge thickness changes; when the bigger pad value of needs; can on lens barrel, place the laser attenuation sheet that needs with fixed attenuation value; laser beam through smart decay sees through the honeycomb barricade; back clear aperture cover glass; laser attenuation sheet in the lens barrel is decayed on a large scale, thereby realizes accurately decay continuously on a large scale.
Claims (6)
1, a kind of adjustable laser attenuating device, include a casing, the logical light mouth in Tong Guangkou and back before install respectively the rear and front end of casing, it is characterized in that corresponding forward and backward logical light mouth is installed on wedge slide adjustable damping device in casing, described wedge slide adjustable damping device include fixing short wedge attenuator and with the moving long wedge attenuator of its phase configuration, moving long wedge attenuator and electric translation mechanism link, and the translation direction of electric translation mechanism cooperates wedge surface to parallel with fixing short wedge attenuator and moving long wedge attenuator.
2, by the described adjustable laser attenuating device of claim 1, it is characterized in that described fixing short wedge attenuator is identical with the angle of wedge angle of moving long wedge attenuator, and angle of wedge angle is 8~20 °, constitute parallel wedge.
3, by claim 1 or 2 described adjustable laser attenuating devices, it is characterized in that logical light mouth is installed on lens barrel in the back, be inserted with one or more pieces laser attenuation sheets in the lens barrel.
4, by claim 1 or 2 described adjustable laser attenuating devices, it is characterized in that installing the protection eyeglass respectively at forward and backward logical light mouth.
5, by claim 1 or 2 described adjustable laser attenuating devices, it is characterized in that described electric translation mechanism comprises the translation guide rail and is installed in translation slide block in the translation guide rail, the translation slide block links to each other with a straight line stepper motor, disposes displacement transducer in a side of translation slide block.
6, by the described adjustable laser attenuating device of claim 4, it is characterized in that being installed on light shield, and be installed on the honeycomb barricade at the front end of the logical light mouth in back at preceding logical light mouth.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2008200678217U CN201210212Y (en) | 2008-06-17 | 2008-06-17 | Tunable laser attenuating device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2008200678217U CN201210212Y (en) | 2008-06-17 | 2008-06-17 | Tunable laser attenuating device |
Publications (1)
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CN201210212Y true CN201210212Y (en) | 2009-03-18 |
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CNU2008200678217U Expired - Fee Related CN201210212Y (en) | 2008-06-17 | 2008-06-17 | Tunable laser attenuating device |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101956914A (en) * | 2010-07-30 | 2011-01-26 | 中国船舶重工集团公司第七一七研究所 | Adjustable efficient light energy transmission device |
CN102591007A (en) * | 2012-03-29 | 2012-07-18 | 中国科学院上海光学精密机械研究所 | Optical attenuator with invariable continuous adjustable optical path |
CN105449505A (en) * | 2015-12-16 | 2016-03-30 | 中国科学院西安光学精密机械研究所 | Encoding type high-multiplying power laser attenuator |
CN112050685A (en) * | 2020-07-19 | 2020-12-08 | 武汉光谷航天三江激光产业技术研究院有限公司 | Laser target simulator |
CN112255779A (en) * | 2020-11-27 | 2021-01-22 | 中国科学院微电子研究所 | Large-caliber compact type Soire-Babinet compensator device |
-
2008
- 2008-06-17 CN CNU2008200678217U patent/CN201210212Y/en not_active Expired - Fee Related
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101956914A (en) * | 2010-07-30 | 2011-01-26 | 中国船舶重工集团公司第七一七研究所 | Adjustable efficient light energy transmission device |
CN102591007A (en) * | 2012-03-29 | 2012-07-18 | 中国科学院上海光学精密机械研究所 | Optical attenuator with invariable continuous adjustable optical path |
CN105449505A (en) * | 2015-12-16 | 2016-03-30 | 中国科学院西安光学精密机械研究所 | Encoding type high-multiplying power laser attenuator |
CN105449505B (en) * | 2015-12-16 | 2018-10-02 | 中国科学院西安光学精密机械研究所 | A kind of big multiplying power laser attenuator assembly of coding type |
CN112050685A (en) * | 2020-07-19 | 2020-12-08 | 武汉光谷航天三江激光产业技术研究院有限公司 | Laser target simulator |
CN112050685B (en) * | 2020-07-19 | 2023-03-14 | 武汉光谷航天三江激光产业技术研究院有限公司 | Laser target simulator |
CN112255779A (en) * | 2020-11-27 | 2021-01-22 | 中国科学院微电子研究所 | Large-caliber compact type Soire-Babinet compensator device |
CN112255779B (en) * | 2020-11-27 | 2022-05-24 | 中国科学院微电子研究所 | Large-caliber compact type Soire-Babinet compensator device |
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Legal Events
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: 20090318 Termination date: 20130617 |