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The third harmonics generation with large aperture and high fluency

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

The third harmonics generation with large aperture and high fluency

Dai Ya-Ping, Zhu Jian, Ma Wei-Xin, Zhu Bao-Qiang, Zhan Ting-Yu, Lin Zun-Qi, Ji Lai-Lin
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Publishing process
  • Received Date:  16 September 2010
  • Accepted Date:  10 October 2010
  • Published Online:  15 September 2011

The third harmonics generation with large aperture and high fluency

  • 1. (1)Shanghai Institute of Laser and Plasma,Shanghai 201800,China; (2)Shanghai Institute of Optics and Fine Mechanics,Shanghai 201800,China; (3)Shanghai Institute of Optics and Fine Mechanics,Shanghai 201800,China;Shanghai Institute of Laser and Plasma,Shanghai 201800,China

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.

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