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Proceedings Paper

Production of petawatt laser pulses by backward Raman amplification in plasma
Author(s): Zhaohui Wu; Yanlei Zuo; Jingqin Su; Lanqin Liu; Zhihong Jiao; Xiaofeng Wei
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Paper Abstract

Backward Raman amplification (BRA) in plasma has been demonstrated an effective way to produce high power laser pulses. However, most experiments of BRA are carried out around the pump wavelength of 800 nm. In recent years, the 1053 nm pump pulse becomes more and more essential as the development of the chirped pulse amplification (CPA) around this wavelength. Here we design an experiment of BRA with a 1053 nm, 20 ps pump pulse and a 1200 nm, 50 fs seed pulse based on the facility of XG III. The simulation results obtained by a 1-d particle-in-cell (PIC) code show that the amplified peak seed intensity of ∼ 5 × 1016 W/cm2 is obtained, with an energy transfer up to 16.8%. An output pulse of petawatt power is theoretically demonstrated feasible.

Paper Details

Date Published: 3 February 2015
PDF: 6 pages
Proc. SPIE 9255, XX International Symposium on High-Power Laser Systems and Applications 2014, 925512 (3 February 2015); doi: 10.1117/12.2064729
Show Author Affiliations
Zhaohui Wu, China Academy of Engineering Physics (China)
Nanking Univ. of Science and Technology (China)
Yanlei Zuo, China Academy of Engineering Physics (China)
Jingqin Su, China Academy of Engineering Physics (China)
Lanqin Liu, China Academy of Engineering Physics (China)
Zhihong Jiao, China Academy of Engineering Physics (China)
Xiaofeng Wei, China Academy of Engineering Physics (China)


Published in SPIE Proceedings Vol. 9255:
XX International Symposium on High-Power Laser Systems and Applications 2014
Chun Tang; Shu Chen; Xiaolin Tang, Editor(s)

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