Production of petawatt laser pulses by backward Raman amplification in plasma

Zhaohui Wu; Yanlei Zuo; Jingqin Su; Lanqin Liu; Zhihong Jiao; Xiaofeng Wei

doi:10.1117/12.2064729

3 February 2015 Production of petawatt laser pulses by backward Raman amplification in plasma

Zhaohui Wu, Yanlei Zuo, Jingqin Su, Lanqin Liu, Zhihong Jiao, Xiaofeng Wei

Proceedings Volume 9255, XX International Symposium on High-Power Laser Systems and Applications 2014; 925512 (2015) https://doi.org/10.1117/12.2064729
Event: XX International Symposium on High Power Laser Systems and Applications, 2014, Chengdu, China

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.

Citation Download Citation

Zhaohui Wu, Yanlei Zuo, Jingqin Su, Lanqin Liu, Zhihong Jiao, and Xiaofeng Wei "Production of petawatt laser pulses by backward Raman amplification in plasma", Proc. SPIE 9255, XX International Symposium on High-Power Laser Systems and Applications 2014, 925512 (3 February 2015); https://doi.org/10.1117/12.2064729

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