Temporal and spatial walk-off for ultra-short mid-infrared optical parametric amplification

deng ying; zhu qi-hua; zhang ying; zeng xiao-ming; wang feng-rui; xie xu-dong; wang xiao; wang fang; huang zheng; guo yi

Volume 19 Issue 01

Jan. 2007

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Article Navigation > High Power Laser and Particle Beams > 2007 > 19(01): 0-

liu xin, liu jin-yuan, yang fang, et al. High-voltage pulse generation with MOSFET[J]. High Power Laser and Particle Beams, 2008, 20.

Citation:

deng ying, zhu qi-hua, zhang ying, et al. Temporal and spatial walk-off for ultra-short mid-infrared optical parametric amplification[J]. High Power Laser and Particle Beams, 2007, 19.

liu xin, liu jin-yuan, yang fang, et al. High-voltage pulse generation with MOSFET[J]. High Power Laser and Particle Beams, 2008, 20.

Citation:

deng ying, zhu qi-hua, zhang ying, et al. Temporal and spatial walk-off for ultra-short mid-infrared optical parametric amplification[J]. High Power Laser and Particle Beams, 2007, 19.

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Temporal and spatial walk-off for ultra-short mid-infrared optical parametric amplification

1.
Research Center of Laser Fusion,CAEP,P.O.Box 919-988,Mianyang 621900,China;

Publish Date: 2007-01-15

Abstract

Abstract

The matching angle, the efficient nonlinear coefficient and the temporal and spatial walk-off length of collinear and non-collinear phase-matching for ultra-short mid-infrared laser optical parametric amplification in MgO:LiNbO3 crystal are analyzed. Based on this analysis, the group velocity matching, the efficient nonlinear coefficient’s increase and the larger signal’s walk-off length for non-collinear phase-matching optical parametric amplification are obtained. The enhanced spatial walk-off effect for the idler is also obtained, but it can be ignored. In a word, non-collinear phase-matching is beneficial to parametric conversion efficiency’s increase.

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