High-efficiency, ultra-broadband ns-OPCPA with high temporal contrast based on dual-crystal scheme

Haidong Chen,Xinliang Wang,Xingyan Liu,Yingbin Long,Wenkai Li,Xun Chen,Peile Bai,Jiabing Hu,Fenxiang Wu,Zongxin Zhang,Yanqi Liu,Yi Xu,Yuxin Leng

APPLIED PHYSICS B-LASERS AND OPTICS（2023）

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摘要

In this paper, we report a nonlinear optical parametric amplifier featuring high conversion efficiency, high temporal contrast and ultra-broadband spectrum simultaneously, based on the dual-crystal scheme. By removing the idler pulse between two crystals and optimizing the phase-matching geometry, the effective conversion efficiency can be enhanced to ∼ 40

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关键词

high-efficiency temporal contrast,ultra-broadband,ns-opcpa,dual-crystal

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