CN204154996U - A kind of is the optical system of flat top beam by Gauss beam reshaping - Google Patents
A kind of is the optical system of flat top beam by Gauss beam reshaping Download PDFInfo
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- CN204154996U CN204154996U CN201420635041.3U CN201420635041U CN204154996U CN 204154996 U CN204154996 U CN 204154996U CN 201420635041 U CN201420635041 U CN 201420635041U CN 204154996 U CN204154996 U CN 204154996U
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Abstract
The utility model discloses a kind of is the optical system of flat top beam by Gauss beam reshaping, comprise and expand input mirror, expand outgoing mirror, diaphragm, flat-head type diffraction optical element and focus lamp, described in expand input mirror, described in expand outgoing mirror, described diaphragm, described flat-head type diffraction optical element and described focus lamp and be arranged in order connection.In the utility model, the effect of beam expanding lens expands and collimates, the effect of diaphragm obtains the suitable hot spot of area, the effect of flat-head type diffraction optical element is flat-top light by Gauss beam reshaping, the effect of focus lamp obtains target spot size by focusing on, by beam of laser after beam-expanding collimation, form the suitable light beam of area by diaphragm, this light beam produces a branch of flat top beam after flat-head type diffraction optical element and focus lamp.
Description
Technical field
The utility model relates to a kind of optical system, and particularly relating to a kind of is the optical system of flat top beam by Gauss beam reshaping.
Background technology
The spatial intensity distribution of the laser beam that usual laser instrument sends is Gaussian distribution, i.e. Gaussian beam, and in the application of a lot of laser technology, wish that laser intensity is equally distributed, such as, laser boring, cutting, Materialbearbeitung mit Laserlicht, optical information processing, storage and record,, all there is higher requirement in the fields such as the clinical medicine application of laser to the homogeneity of light beam; In the application of high power solid state laser and amplifier, the intensity of Gaussian beam too concentrates on core, easily cause the damage of laser crystal and optical element, and flat top beam is dispersed in whole spot size intensity, greatly can improves the damage threshold of high power laser light.Uniformity of laser beam not only affects the overall performance of laser instrument, also greatly affects the application level of laser technology.
Therefore needing Gauss beam reshaping by the optical system of particular design is the flat top beam of optical power detection.The spacing shaping method of light beam has a lot, utilizes diffraction optical element, non-spherical lens group, holographic filter, binary phase, LCD space light modulator, Diode laser shaping element can be all flat top beam by Gauss beam reshaping.But comparatively speaking, the method structure of diffraction optical element is simple, realizes relatively easy.The core of this optical system is a slice flat-head type diffraction optical element.
Utility model content
The purpose of this utility model is just that providing a kind of is the optical system of flat top beam by Gauss beam reshaping.
The utility model is achieved through the following technical solutions above-mentioned purpose:
The utility model comprises and expands input mirror, expands outgoing mirror, diaphragm, flat-head type diffraction optical element and focus lamp, described in expand input mirror, described in expand outgoing mirror, described diaphragm, described flat-head type diffraction optical element and described focus lamp and be arranged in order connection.
The beneficial effects of the utility model are as follows:
In the utility model, the effect of beam expanding lens expands and collimates, the effect of diaphragm obtains the suitable hot spot of area, the effect of flat-head type diffraction optical element is flat-top light by Gauss beam reshaping, the effect of focus lamp obtains target spot size by focusing on, by beam of laser after beam-expanding collimation, form the suitable light beam of area by diaphragm, this light beam produces a branch of flat top beam after flat-head type diffraction optical element and focus lamp.
Accompanying drawing explanation
Fig. 1 be the utility model a kind of be the one-piece construction schematic diagram of the optical system of flat top beam by Gauss beam reshaping;
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the utility model is further described, is used for explaining the utility model in the illustrative examples of this utility model and explanation, but not as to restriction of the present utility model.
As shown in Figure 1, the utility model comprises and expands input mirror 1, expands outgoing mirror 2, diaphragm 3, flat-head type diffraction optical element 4 and focus lamp 5, expands input mirror 1, expands outgoing mirror 2, diaphragm 3, flat-head type diffraction optical element 4 and focus lamp 5 and be arranged in order connection
First according to the wavelength of incident laser, the parameters such as operating distance, design corresponding holographic structure by diffraction optics, then utilize the method for photoetching and etching to be shifted and be produced on quartz substrate on the surface, obtain flat-head type diffraction optical element.
As shown in Figure 1, a kind of is the optical system of flat top beam by Gauss beam reshaping, be characterised in that its structure comprises: expand input mirror 1, expand outgoing mirror 2, diaphragm 3, flat-head type diffraction optical element 4, focus lamp 5, laser beam, by flat-head type diffraction optical element, after refocusing, forms a branch of flat-top laser.
Embodiment:
In the present embodiment, according to the order of accompanying drawing, be assembled in expanding outgoing mirror the front end expanding input mirror, diaphragm is assembled in the front end expanding outgoing mirror, flat-head type diffraction optical element is assembled in the front end of diaphragm, and focus lamp is assembled in the front end of flat-head type diffraction optical element.Laser, by after this system, can be shaped to a branch of energy even, the sharply marginated light beam of hot spot.
Those skilled in the art do not depart from essence of the present utility model and spirit, various deformation scheme can be had to realize the utility model, the foregoing is only the better feasible embodiment of the utility model, not thereby interest field of the present utility model is limited to, the equivalent structure change that all utilization the utility model instructionss and accompanying drawing content are done, is all contained within interest field of the present utility model.
Claims (1)
1. Gauss beam reshaping is the optical system of flat top beam by one kind, it is characterized in that: comprise and expand input mirror, expand outgoing mirror, diaphragm, flat-head type diffraction optical element and focus lamp, described in expand input mirror, described in expand outgoing mirror, described diaphragm, described flat-head type diffraction optical element and described focus lamp and be arranged in order connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420635041.3U CN204154996U (en) | 2014-10-30 | 2014-10-30 | A kind of is the optical system of flat top beam by Gauss beam reshaping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420635041.3U CN204154996U (en) | 2014-10-30 | 2014-10-30 | A kind of is the optical system of flat top beam by Gauss beam reshaping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204154996U true CN204154996U (en) | 2015-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420635041.3U Expired - Fee Related CN204154996U (en) | 2014-10-30 | 2014-10-30 | A kind of is the optical system of flat top beam by Gauss beam reshaping |
Country Status (1)
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| CN (1) | CN204154996U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106019608A (en) * | 2016-06-16 | 2016-10-12 | 维林光电(苏州)有限公司 | Gaussian-like flat-topped beam laser system |
| CN107242904A (en) * | 2017-07-19 | 2017-10-13 | 重庆半岛医疗科技有限公司 | A kind of beam homogenizing therapeutic system |
| CN107272213A (en) * | 2017-07-25 | 2017-10-20 | 中国科学院西安光学精密机械研究所 | A kind of laser beam, which is homogenized, expands apparatus for shaping |
| CN107309556A (en) * | 2016-04-14 | 2017-11-03 | 大族激光科技产业集团股份有限公司 | A kind of laser hole drilling system and method |
| CN110146991A (en) * | 2019-04-18 | 2019-08-20 | 珠海达明科技有限公司 | A kind of laser facula shaping optical system |
| CN111560612A (en) * | 2020-06-18 | 2020-08-21 | 河北光束激光科技有限公司 | Laser cladding device and method capable of changing non-uniform distribution of Gaussian light energy |
| CN112782799A (en) * | 2021-01-07 | 2021-05-11 | 北京润和微光科技有限公司 | Diffractive optical element and system for generating a focused flat-topped light spot beam |
| CN115113409A (en) * | 2022-08-26 | 2022-09-27 | 成都莱普科技股份有限公司 | Linear flat-top light spot generation system, method and equipment based on Dammann grating |
| CN115194342A (en) * | 2022-09-19 | 2022-10-18 | 武汉引领光学技术有限公司 | Taper controllable laser grooving device and method |
| CN115826254A (en) * | 2023-02-14 | 2023-03-21 | 清华大学 | Flat-top light beam modulation method, system and storage medium |
-
2014
- 2014-10-30 CN CN201420635041.3U patent/CN204154996U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107309556A (en) * | 2016-04-14 | 2017-11-03 | 大族激光科技产业集团股份有限公司 | A kind of laser hole drilling system and method |
| CN106019608B (en) * | 2016-06-16 | 2019-07-23 | 维林光电(苏州)有限公司 | One type Gauss flat top beam laser system |
| CN106019608A (en) * | 2016-06-16 | 2016-10-12 | 维林光电(苏州)有限公司 | Gaussian-like flat-topped beam laser system |
| CN107242904A (en) * | 2017-07-19 | 2017-10-13 | 重庆半岛医疗科技有限公司 | A kind of beam homogenizing therapeutic system |
| CN107272213B (en) * | 2017-07-25 | 2022-09-09 | 中国科学院西安光学精密机械研究所 | Laser beam homogenizing, beam expanding and shaping device |
| CN107272213A (en) * | 2017-07-25 | 2017-10-20 | 中国科学院西安光学精密机械研究所 | A kind of laser beam, which is homogenized, expands apparatus for shaping |
| CN110146991A (en) * | 2019-04-18 | 2019-08-20 | 珠海达明科技有限公司 | A kind of laser facula shaping optical system |
| CN111560612A (en) * | 2020-06-18 | 2020-08-21 | 河北光束激光科技有限公司 | Laser cladding device and method capable of changing non-uniform distribution of Gaussian light energy |
| CN112782799A (en) * | 2021-01-07 | 2021-05-11 | 北京润和微光科技有限公司 | Diffractive optical element and system for generating a focused flat-topped light spot beam |
| CN112782799B (en) * | 2021-01-07 | 2022-04-22 | 北京润和微光科技有限公司 | Diffractive optical element and system for generating a focused flat-topped light spot beam |
| CN115113409A (en) * | 2022-08-26 | 2022-09-27 | 成都莱普科技股份有限公司 | Linear flat-top light spot generation system, method and equipment based on Dammann grating |
| CN115194342A (en) * | 2022-09-19 | 2022-10-18 | 武汉引领光学技术有限公司 | Taper controllable laser grooving device and method |
| CN115826254A (en) * | 2023-02-14 | 2023-03-21 | 清华大学 | Flat-top light beam modulation method, system and storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150211 Termination date: 20151030 |
|
| EXPY | Termination of patent right or utility model |