Collection Of theses on high power laser and plasma physics, 2014, 12 (1): 1448– 1450, Published Online: May. 27, 2017  

The influence of output pulse spectral shape and bandwidth on pulsecontrast in the chirped pulse amplification

Author Affiliations
1 National Laboratory on High Power Laser and Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, No. 390, QingheRoad, Jiading District, Shanghai 201800, China
2 Hunan University of Science and Technology, Hunan 411201, China
Abstract
A simple model is presented to analyze the spectral shape and bandwidth dependence of the pulsecontrast and compressed pulse width in the chirped pulse amplification. The parameters of the 30 fslaser system are demonstrated as examples. Comparing with Top hat, Lorentzian, Sech2, Gaussian, 2ndSuper Gaussian and 10th Super Gaussian spectral pulse shape, the 2nd Super Gaussian spectral pulseshape can obtain better contrast in the case of less spectral bottom width. Those results are helpful tofind an optimized spectral shape in the chirped pulse amplification.

Qingwei Yang, Mingwei Liu, Xinglong Xie, Jun Kang, Ailin Guo, Haidong Zhu, Qi Gao. The influence of output pulse spectral shape and bandwidth on pulsecontrast in the chirped pulse amplification[J]. Collection Of theses on high power laser and plasma physics, 2014, 12(1): 1448– 1450.

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