Progress on developing a PW ultrashort laser facility with ns, ps, and fs outputting pulses

Qihua Zhu; Xiaojun Huang; Xiao Wang; Xiaoming Zeng; Xudong Xie; Fang Wang; Fengrui Wang; Donghui Lin; Xiaodong Wang; Kainan Zhou; Dongbin Jiang; Wu Deng; Yanlei Zuo; Ying Zhang; Ying Deng; Xiaofeng Wei; Xiaomin Zhang; Dianyuan Fan

doi:10.1117/12.757532

6 February 2008 Progress on developing a PW ultrashort laser facility with ns, ps, and fs outputting pulses

Qihua Zhu, Xiaojun Huang, Xiao Wang, Xiaoming Zeng, Xudong Xie, Fang Wang, Fengrui Wang, Donghui Lin, Xiaodong Wang, Kainan Zhou, Dongbin Jiang, Wu Deng, Yanlei Zuo, Ying Zhang, Ying Deng, Xiaofeng Wei, Xiaomin Zhang, Dianyuan Fan

Author Affiliations +

Proceedings Volume 6823, High-Power Lasers and Applications IV; 682306 (2008) https://doi.org/10.1117/12.757532
Event: Photonics Asia 2007, 2007, Beijing, China

Abstract

A petawatt laser facility with three beams for fast ignition research and strong-field physics applications has been designed and is being constructed. The first beam (referred as SILEX-I) is a Ti:sapphire femto-second laser which pulse width is 30 fs, and till now, output power has reached to 330 TW. The other two beams are Nd³⁺:glass lasers which output energy are larger than 1kJ and pulse width are about 1ps and 1ns respectively. By using the technology of OPA pumped by 800nm femtosecond laser and seeded by super-continuum spectrum white light, the three beams are synchronized with each other without jitter time. By using the seeds from OPA pumped by femtosecond laser, and by using the pre-amplification stage of OPCPA, the signal to noise ratio of the Nd³⁺:glass petawatt laser will reach to 10⁸. Active methods are taken to control the gain narrowing effect of the Nd³⁺:glass amplifiers, giving the option to compress the chirped pulse to ultrashort pulse with width less than 400fs. Tiled multilayer dielectric coating gratings are used for the compressor of the PW beam, which has been successfully demonstrated on a 100J picosecond Nd³⁺:glass laser system.

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Qihua Zhu, Xiaojun Huang, Xiao Wang, Xiaoming Zeng, Xudong Xie, Fang Wang, Fengrui Wang, Donghui Lin, Xiaodong Wang, Kainan Zhou, Dongbin Jiang, Wu Deng, Yanlei Zuo, Ying Zhang, Ying Deng, Xiaofeng Wei, Xiaomin Zhang, and Dianyuan Fan "Progress on developing a PW ultrashort laser facility with ns, ps, and fs outputting pulses", Proc. SPIE 6823, High-Power Lasers and Applications IV, 682306 (6 February 2008); https://doi.org/10.1117/12.757532

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