Laser & Optoelectronics Progress, Volume. 51, Issue 7, 71404(2014)
Three Dimensional OPCPA Numerical Simulations for a Petawatt Class Laser System
An optical parametric chirped pulse amplification (OPCPA) physical model is presented, and a splitstep Fourier technique is used to develop a three-dimensional OPA+CPA numerical code (3D OPA+CPA code), which can be used to model the broadband amplification, gaining narrowing, self-phase modulation, spatial selffocusing and the temporal signal-to-noise ratio (SNR) of OPCPA laser facility, and to optimize the design of OPCPA system. The SG-II-U-PW laser facility is studied numerically using this 3D OPCPA code, and the calculated results show that the ninth beam line is suitable to be modified for meeting the design goal of the SGII-U PW project. The 3D OPA + CPA code can be modified with ease to model and optimize the designs of femtosecond OPCPA system, and especially the future laser facility with exawatt (1018 W) peak intensity.
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Wang Yanhai, Liu Guocai, Yang Qingwei, Ren Shiwei. Three Dimensional OPCPA Numerical Simulations for a Petawatt Class Laser System[J]. Laser & Optoelectronics Progress, 2014, 51(7): 71404
Category: Lasers and Laser Optics
Received: Mar. 3, 2014
Accepted: --
Published Online: Jun. 26, 2014
The Author Email: Yanhai Wang (wangyanhai@hotmail.com)