Optical design of Gaussian beam shaping

GAO Yu-han; AN Zhi-yong; LI Na-na; ZHAO Wei-xing; WANG Jin-song

doi:10.3788/OPE.20111907.1464

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Optical design of Gaussian beam shaping

Article | 更新时间：2020-08-12

- Optical design of Gaussian beam shaping
- Optics and Precision Engineering Vol. 19, Issue 7, Pages: 1464-1471(2011)
- 作者机构：
  
  1. 中国科学院光电研究院北京,100094
  2. 长春理工大学光电工程学院,吉林长春,130022
  3. 南京光科信息技术有限公司,江苏南京,210001
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20111907.1464
  CLC： TH703
- Received：06 July 2010，
  
  Revised：16 November 2010，
  
  Published Online：25 July 2011，
  
  Published：25 July 2011
- 稿件说明：
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高瑀含, 安志勇, 李娜娜, 赵伟星, 王劲松. 高斯光束整形系统的光学设计[J]. 光学精密工程, 2011,19(7): 1464-1471

GAO Yu-han, AN Zhi-yong, LI Na-na, ZHAO Wei-xing, WANG Jin-song. Optical design of Gaussian beam shaping[J]. Editorial Office of Optics and Precision Engineering, 2011,19(7): 1464-1471
高瑀含, 安志勇, 李娜娜, 赵伟星, 王劲松. 高斯光束整形系统的光学设计[J]. 光学精密工程, 2011,19(7): 1464-1471 DOI： 10.3788/OPE.20111907.1464.

GAO Yu-han, AN Zhi-yong, LI Na-na, ZHAO Wei-xing, WANG Jin-song. Optical design of Gaussian beam shaping[J]. Editorial Office of Optics and Precision Engineering, 2011,19(7): 1464-1471 DOI： 10.3788/OPE.20111907.1464.

摘要

研究了真实光线追迹优化光学系统的方法以简化高斯光束整形系统的光学设计。理论分析了高斯光束整形原理

并选择超洛伦兹函数作为平顶光分布函数;根据能量守恒原理

推导了高斯光束整形系统中任意光线在入射面与出射面的坐标变换关系。针对该系统的特点

使用Zemax编程语言(ZPL)编写计算坐标变换的ZPL宏指令

并优化设计了高斯光束整形系统。最后

利用金刚石单点车削法加工该非球面光学系统

并利用光束分析软件对系统的整形效果进行了测试。测试结果表明

利用该方法设计的非球面透镜实现了高斯光束的整形变换

平顶光的均匀度为87.1%。该方法简单实用

计算量小

可应用于实际工程设计。

Abstract

A real ray tracing method was used to simplify the optical design of a Gaussian beam shaping system. The principle of shaping Gaussian beam was studied theoretically and the Flattened Lorentzian(FL) function was chosen as the distribution expression of the flattened beam. The relationship of coordinate transformation of arbitrary rays in an incident plane and an image plane was deduced based on the law of energy conservation. Then

according to the characteristics of this system

Zemax Programming Language (ZPL) was used to compile ZPL macro orders to calculate the coordinate transformation

and the real ray tracing method was adopted to design the optical Gaussian beam shaping system. Finally

the aspheric lens system was processed by single point diamond turning techniques and its shaping ability was tested by the optical analyzing software. Testing results indicate that the system can achieve the conversion from the Gaussian beam to the flattened beam

and the uniformity of flattened beam is 87.1%. The method is not only simple but aslo practical and has a significant engineering application value.

关键词

Keywords

references

DICKEY F M, HOLSWADE S C, et al. Laser beam shaping[J].SPIE, 2000,4095:1-216.[2] FRIEDEN R B. Lossless conversion of a plane laser wave to a planewave of uniform irradiance[J]. Appl. Opt., 1965,4(11):1400-1403.[3] 李风友,李红军,卢振武,等. 激光直写系统焦斑整形的研究[J]. 光学精密工程,2001,9(1):14-18. LI F Y, LI H J, LU ZH W, et al. Focused spot shaping in laser writing system[J]. Opt. Precision Eng., 2001,9(1):14-18. (in Chinese)[4] 林勇,胡家升. 激光光束的整形技术[J]. 激光杂志,2008,29(6):14-18. LIN Y,HU J SH. Laser beam shaping techniques[J].Laser Journal, 2008,29(6):14-18. (in Chinese)[5] 姬扬,张静娟,姚德成,等. 用于半导体激光器光束整形的衍射光学元件的设计研究[J]. 物理学报,1996,45(6):2027-2034. JI Y, ZHANG J J, YAO D CH, et al.. Diode-laster beam conversion with differactive optical elements[J]. Acta Physica Sinica, 1996, 45(6):2027-2034. (in Chinese)[6] 林勇,胡家升,吴克难. 一种用于光束整形的衍射光学元件设计算法[J]. 光学学报,2007,27(9):1682-1686. LIN Y, HU J SH, WU K N. Algorithm for the design of diffractive optical elements for laser beam shaping[J]. Acta Optica Sinica, 2007,27(9):1682-1686. (in Chinese)[7] SHEALY D L, HOFFNAGLE J A. Laser beam shaping profiles and propagation[J]. Appl. Opt., 2003,45(21):5118-5131.[8] SCOTT P W,SOUTHWELL W H. Reflective optics for irradiance redistribution of laser beams: design[J]. Appl. Opt., 1981,20(9):1606-1610.[9] SILVESTRI S D, LAPORTA P, MAGNI V, et al.. Unstable laser resonators with super-Gaussian mirrors[J]. Opt. Lett. 1988,13(3):201-203.[10] PARENT A, MORIN M, LAVIGNE P. Propagation of super-Gaussian field distributions[J]. Opt. Quantum Electron., 1992,24(8):S1071-S1079.[11] KREUZER J L. Coherent light optical system yielding an output beam of desired intensity distribution at a desired equiphase surface:U.S. Patent 3,476,463.[12] 张平,叶飞. 激光光学系统的设计[J]. 激光杂志,1990,11(1):14-18. ZHANG P, YE F. Design of laser optical system[J]. Laser Journal, 1990,11(1):14-18. (in Chinese)[13] LV B D, ZHANG B. Propagation and focusing properities of apertured super-Gaussian beam[J]. Optik, 1996,104(1):201-203.

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