激光技术2018，Vol.42Issue(1)：104-107,4.DOI:10.7510/jgjs.issn.1001-3806.2018.01.020
基于双轴锥镜的环形激光束整形
Annular laser beam reshaping based on dual axicons
任驹 1李四川 2李航 3陈培锋 3夏惠军 1周桂勇 1彭杰1
作者信息
- 1. 西南技术物理研究所,成都610041
- 2. 中国人民解放军驻209所军事代表室,成都610041
- 3. 华中科技大学光学与电子信息学院,武汉430074
- 折叠
摘要
Abstract
In order to improvelaser beam quality of unstable cavity high energy laser systems and the utilization of the aperture of a transmitting optical system,a new optical shaping method for the annular beam was proposed.Optical elements were added to the light path outside the laser cavity to shape the output of annular laser beam.On the basis of theoretical analysis,beam shaping devices based on dual axicons were designed and fabricated.The shaping experiments were carried out for the annular beam from an unstable cavity high energy laser.The data was obtained and was consistent with theoretical analysis.The results show that,the beam after shaping by using dual axicons has better beam quality than that of the original beam.Waist diameter decreases from 45mm to 32mm.M2 factor reduces from 14 to 11.8.The method is feasible for the shaping and transformation of the annular beam from an unstable resonator.关键词
激光光学/环形光束/光束整形/轴锥镜Key words
laser optics/annular beam/beam reshaping/axicon分类
数理科学引用本文复制引用
任驹,李四川,李航,陈培锋,夏惠军,周桂勇,彭杰..基于双轴锥镜的环形激光束整形[J].激光技术,2018,42(1):104-107,4.
