强激光与粒子束2021，Vol.33Issue(9)：18-23,6.DOI:10.11884/HPLPB202133.210207
离轴八程放大器自动准直技术研究
Automated alignment research on off-axis eight-pass laser amplifier
陈知非 1范孟秋 1郑奎兴 1陈波 1彭志涛 1冯斌 1姚轲 1范琛 1唐军 1吕梦洁 1卢振华 1高松 1谢旭东 1傅学军1
作者信息
- 1. 中国工程物理研究院 激光聚变研究中心, 四川 绵阳 621900
- 折叠
摘要
Abstract
We present a technical research experimentally demonstrating automated alignment on off-axis eightpass laser amplifier. The mentioned technique aims to replace manual alignment method with automatic alignment system on the multipass complex laser amplifier, of which the efficiency, accuracy, and output beam quality would improve spectacularly. This technique realizes precise reference mark of pinhole spatial centre position in the spatial filter of the off-axis eight-pass laser amplifier via main laser lighting and image relaying system. The far-field facula is processed by edge detection so that the beam pointing centre is obtained. Based on the difference between the beam centre position and reference, we realizes closed loop automated alignment on the amplifier system via twodimensionally controlling specific reflector frames. Additionally we indicate that the experimental results of the research fairly satisfied requirements for efficiency and accuracy of the off-axis eight-pass laser amplifier, and verified feasibility of the alignment technique applied in the amplifier as well.关键词
激光放大器/离轴八程放大/自动准直/边缘检测Key words
laser amplifier/off-axis eight-pass amplifying/automated alignment/edge detection分类
信息技术与安全科学引用本文复制引用
陈知非,范孟秋,郑奎兴,陈波,彭志涛,冯斌,姚轲,范琛,唐军,吕梦洁,卢振华,高松,谢旭东,傅学军..离轴八程放大器自动准直技术研究[J].强激光与粒子束,2021,33(9):18-23,6.
