激光技术Issue(2)：225-229,5.DOI:10.7510/jgjs.issn.1001-3806.2014.02.017
大口径拼接压缩光栅波像差研究
Study on wave aberration of large-aperture mosaic compression grating
摘要
Abstract
In order to analyze the effects of fixed and random wave aberration on the large-aperture mosaic compression gratings , by numerical simulation , the far-field characteristics for referenced gratings were studied .On the basis of the precise evaluation criterion , the tiling accuracy of the mosaic gratings was obtained .The results showed that the maximum piston error of the tiling precision was about 0.26 grating period when the wave aberration of sub-gratings was 1.0λ.After manual intervention, the maximum piston error was about 0.42 grating period and the maximum tip-tilt error was 0.71μrad approximately, which were both lower than before .The research is benefit for the improvement of high energy picosecond laser device .关键词
激光光学/拼接光栅/波像差/远场衍射/拼缝偏差/角度偏差Key words
laser optics/tiling grating/wave aberration/far-field diffraction/piston error/tip-tilt error分类
信息技术与安全科学引用本文复制引用
魏江,吴建宏..大口径拼接压缩光栅波像差研究[J].激光技术,2014,(2):225-229,5.基金项目
国家自然科学基金资助项目（61178046）；江苏省高校自然科学研究重大基础研究资助项目 （）
