Beam cleanup of a 532-nm pulsed solid-state laser using a bimorph mirror  

作　　者：雷翔 许冰 杨平 董理治 刘文劲 晏虎 

机构地区：[1]Laboratory on Adaptive Optics,Institute of Optics and Electronics,Chinese Academy of Sciences [2]Key Laboratory on Adaptive Optics,Chinese Academy of Sciences [3]Graduate University of Chinese Academy of Sciences

出　　处：《Chinese Optics Letters》2012年第2期44-47,共4页中国光学快报（英文版）

基　　金：supported by the National Natural Science Foundation of China (Nos.60978049 and 10974202);the Innovation Science Fund of Chinese Academy of Sciences (No.CXJJ-10-S01);the Western Light Talent Cultivation Program of Chinese Academy of Sciences (No.A09k005);supported by the Open Research Fund of Key Laboratory of Functional Crystals and Laser Technology,TIPC,CAS

摘　　要：A successful beam cleanup of a 5-mJ/200-μs pulsed solid-state laser system operating at 532-nm wavelength is demonstrated. In this beam cleanup system, a wave-front sensor-less adaptive optics （AO） system is set up with a 20-element bimorph mirror （BM）, a high-voltage amplifier, a chaxge-coupled device camera, and a control software implementing the stochastic parallel gradient descent （SPGD） algorithm. The brightness of the laser focal spot is improved because the wave-front distortions have been compensated. The performance of this system is presented and the experimental results are analyzed.A successful beam cleanup of a 5-mJ/200-μs pulsed solid-state laser system operating at 532-nm wavelength is demonstrated. In this beam cleanup system, a wave-front sensor-less adaptive optics （AO） system is set up with a 20-element bimorph mirror （BM）, a high-voltage amplifier, a chaxge-coupled device camera, and a control software implementing the stochastic parallel gradient descent （SPGD） algorithm. The brightness of the laser focal spot is improved because the wave-front distortions have been compensated. The performance of this system is presented and the experimental results are analyzed.

关 键 词：Solid state lasers Voltage regulators 

分 类 号：TN248.1[电子电信—物理电子学] TM282[一般工业技术—材料科学与工程]