Suppression of the Temporal Noise in SULF-10 PW Laser

Yi Xu,Xinliang Wang,Peile Bai,Jiabing Hu,Zongxin Zhang,Yanqi Liu,Lianghong Yu,Xiaoyan Liang,Yuxin Leng,Ruxin Li

2022 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR)（2022）

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摘要

In SULF-10 PW laser facility, different methods are adopted to suppress different kinds of noise. Nonlinear pulse temporal filter based cascaded XPWG and fs-OPA techniques is utilized to suppress the ASE noise. While novel multi-pass amplifiers with wedged Ti:sapphire crystals are employed to suppress the pre-pulses in both nanosecond and picosecond domain. Applying these methods, temporal contrast about the ASE noise and the pre-pulses can reach 10 ^-11 and 10 ^-10 in SULF-10 PW laser, respectively.

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关键词

Noise Suppression,Temporal Noise,Temporal Filtering,Nonlinear Filter,Kinds Of Noise,Temporal Contrast,Laser System,Femtosecond Laser,Contrast Ratio,Optical Parametric Amplifier,Chirped Pulse

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