Optical parametric amplification pumped by a phase-aberrated beam

被引：18

作者：

Wei, Xiaohong ^{[1
]}

Qian, Liejia ^{[1
]}

Yuan, Peng ^{[1
]}

Zhu, Heyuan ^{[1
]}

Fan, Dianyuan ^{[1
]}

机构：

[1] Fudan Univ, State Key Lab Adv Photon Mat & Devices, Dept Opt Sci & Engn, Adv Mat Lab, Shanghai 200433, Peoples R China

来源：

OPTICS EXPRESS | 2008年 / 16卷 / 12期

关键词：

D O I：

10.1364/OE.16.008904

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In this paper we theoretically study the spatial characteristics of optical parametric amplification (OPA) or chirped pulse OPA (OPCPA) pumped with a phase-aberrated beam. Due to the fact that pump-to-signal phase transfer caused by walk-off effect is highly gain-dependent, in a high gain OPA system the signal beam-quality will be significantly degraded even for a weak walk-off, accompanied with beam tilting and converging or diverging. It is demonstrated that an OPA configuration with walkoff-compensated crystal pair is capable of reducing the phase transfer and hence ensuring signal beam-quality, which may be of importance for designing high-energy OPCPA systems. (c) 2008 Optical Society of America.

引用

页码：8904 / 8915

页数：12

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