摘要
腔镜准直是多程放大光路准直中的基础,针对高功率固体激光装置多束组并行准直对腔镜准直的要求,提出一套基于衍射对称性的腔镜准直算法,可以避免腔镜准直受到图像质量的影响而导致精度偏低。在神光Ⅲ主机装置上进行了该腔镜准直算法的实验验证,实验结果表明,相对于传统算法,采用基于衍射对称性的腔镜准直算法,可以将腔镜准直精度由8μrad提升至3.96μrad。
Multi-pass amplification beam path alignment is based on cavity mirror alignment. To optimize multisegmental parallel cavity mirror alignment algorithm of high power solid-state lasers, a new algorithm of multi-pass beam path cavity mirror alignment based on diffraction symmetry is proposed, and the algorithm avoids the problem of low alignment accuracy caused by image quality. The accuracy of multi-pass amplification beam path alignment is improved from 8μrad up to 3.96 μrad. It has been verified on SG-Ⅲ facility.
出处
《中国激光》
EI
CAS
CSCD
北大核心
2014年第12期44-48,共5页
Chinese Journal of Lasers
基金
国家高技术发展计划
关键词
图像处理
自动准直
腔镜
多程放大
image processing
automatic alignment
cavity mirror
multi-pass amplification
