Collection Of theses on high power laser and plasma physics, 2012, 10 (1): S21416, Published Online: Jun. 2, 2017  

Research of hundred picosecond microjoule pump laser system

Author Affiliations
The Joint Laboratory on High Power Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
Abstract
A master-oscillator power amplifier (MOPA) system based on Nd glass laser with output intensity of 5 GW/cm2 is described. The laser operates at 1 Hz with pulse energy up to more than 4 mJ. The spatial profile is near top hat and the diameter is 1 mm, the temporal pulse shape is Gaussain and pulse width is about hundred picosecond. Frequency doubling efficiency is 37.5% with 3-mm-long BBO crystal, the pulse of microjoule output energy and 527-nm wavelength is achieved and used as the pump pulse in the short pulse optical parametric amplification, decreasing the parametric fluorescence influence to contrast of optical parametric chirped pulse (OPCPA) system.

Xue Pan, Yujie Peng, Jiangfeng Wang, Youen Jiang, Wei Fan, Xuechun Li. Research of hundred picosecond microjoule pump laser system[J]. Collection Of theses on high power laser and plasma physics, 2012, 10(1): S21416.

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