Collection Of theses on high power laser and plasma physics, 2015, 13 (1): 0408006, Published Online: May. 26, 2017  

Measurement and Debugging of Wedge-Shaped Lens in High Power Laser Facility

Author Affiliations
1 中国科学院上海光学精密机械研究所高功率激光物理联合实验室, 上海 201800
2 中国工程物理研究院上海激光等离子体研究所, 上海 201800
Abstract
The wedge-shaped lens is the key and special optical component of the final optics assembly (FOA) in high power laser facility. The wedge-shaped lens wedge angle measurement plays a remarkable role in focusing performance of high power laser. If processing angle and work attitude of the wedge-shaped lens deviate from the specific work angle, big surface deviation will be introduced into the FOA. Special shape of the wedge-shaped lens is not conducive to the measurements of the transmission profile and wedge angle. A set of wedge-shaped lens measurement adjustment programmes is proposed, including measurement of the wedge-shaped lens in processing process, and off-line measurement of wedge-shaped lens during alignment and on-line measurement during the debugging process. The scheme can ensure the processing precision and working attitude of the wedge-shaped lens, guarantee the beam quality and the positioning accuracy of the FOA components of high power laser system.

Shao Ping, Xia Lan, Zhao Dongfeng, Ju Lingjie, Jiao Zhaoyang. Measurement and Debugging of Wedge-Shaped Lens in High Power Laser Facility[J]. Collection Of theses on high power laser and plasma physics, 2015, 13(1): 0408006.

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