The third harmonics generation with large aperture and high fluency

Author:

Zhu Bao-Qiang ,Dai Ya-Ping ,Zhu Jian ,Zhan Ting-Yu ,Lin Zun-Qi ,Ji Lai-Lin ,Ma Wei-Xin ,

Abstract

To investigate the output of ultraviolet of ShenguangII upgrade project, and study the relevant problem in the harmonics generation in high power laser driver, an experiment with 'Ⅰ+Ⅱ" phase match is conducted in the Shenguang-Ⅱ NO.9 device.The maximal output energy of ultraviolet reaches 2740 J, the maximal fluency exceeds 3.6 J/cm2, and the maximal conversion efficiency is ~63%. The parameters that affect the conversion efficiency are preliminary discussed with experimenal results; the amplitude modulation caused by phase modulation and traverse stimulation Raman scattering is observed in experiment. The design program and parameters for Shenguang-Ⅱ upgrade device are testified by the experimental results.

Publisher

Acta Physica Sinica, Chinese Physical Society and Institute of Physics, Chinese Academy of Sciences

Subject

General Physics and Astronomy

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