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Supercontinuum enhancement and transfer induced by a plasma grating in air

Zhang Zong-Xin Xu Rong-Jie Song Li-Wei Wang Ding Liu Peng Leng Yu-Xin

Supercontinuum enhancement and transfer induced by a plasma grating in air

Zhang Zong-Xin, Xu Rong-Jie, Song Li-Wei, Wang Ding, Liu Peng, Leng Yu-Xin
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  • Received Date:  20 January 2012
  • Accepted Date:  07 February 2012
  • Published Online:  20 September 2012

Supercontinuum enhancement and transfer induced by a plasma grating in air

  • 1. State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
Fund Project:  Project supported by the National Natural Science Foundation of China (Grant Nos. 10734080, 60921004, 60908008, 61078037, 11134010, 60978012), the National Basic Research Program of China (Grant No. 2011CB808101), and International S & T Cooperation Program of China (Grant No. 2011DFA11300).

Abstract: We experimentally investigate the plasma grating created by two intersecting ultrashort laser pulses, and its effects on the supercontinuum generated from femtosecond laser filamentation. The enhanced supercontinuum generation is observed, with a plasma grating formed. And an energy transfer of the supercontinuum is demonstrated, from one pulse to the other, due to the diffraction property of plasma grating. The theoretical calculation accords well with the experimental result.

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