Wave-front correction of high-intensity fs laser beams by using closed-loop adaptive optics system

查看全文 作　　者：WANG Zhaohua JIN Zhan ZHENG Jiaan WANG Peng WEI Zhiyi ZHANG [1]Jie

机构地区：[1]Laboratory of Optical Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China Laboratory of Optical Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China Laboratory of Optical Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China Laboratory of Optical Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China Laboratory of Optical Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China Laboratory of Optical Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China

出　　处：《Science China(Physics,Mechanics & Astronomy)》索引2005年第48卷第1期,共7页

基　　金：This work was partly supported by the National Natural Science Foundation of China(Grant Nos.60225005,60308001);the NKBRSF(Grant No.G1999075202);the National Hi-tech ICF program. 摘　　要：We developed an adaptive optics system to correct the wave-front distortion of an intense fs laser beam from our multi-TW laser system, Jiguang II. In this paper, the instruments of the adaptive optical system are described and the experimental results of the closed-loop wave-front correction are presented. A distorted laser wave-front of 20 wavelengths of P-V values was corrected to 0.15 wavelength of P-V values. The beam quality of the laser system varies from 3.5 diffraction limit to 1.5 diffraction limit. 关键词：Shack-Hartmann WAVE-FRONT sensor, adaptive optics system, FEMTOSECOND laser, DIFFRACTION limit.

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Wave-front correction of high-intensity fs laser beams by using closed-loop adaptive optics system

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