Model of small-scale self-focusing and spatial noise in high power laser driver

被引：1
|
作者：
Wei Hu
Xiquan Fu
Song Yu
Hong Guo
机构：
[1] South China Normal University,Laboratory of Light Transmission Optics
来源：
Science in China Series E: Technolgical Science | 2002年 / 45卷 / 4期
关键词：
small-scale self-focusing; beam quality; modulation contrast; phase noise; B-integral;
D O I：
10.1360/02ye9044
中图分类号：
学科分类号：
摘要：
A linearization model was used to analyze the laser beam propagation in a high power laser driver and the influence of the small-scale self-focusing and spatial phase noise on beam quality in disk amplifiers. The quantitative relations between intensities of spatial phase noise, B-integral, and beam intensity contrast in near field are given explicitly. A spectrum specification of phase noise has been obtained by setting a limit to the contrast of an output beam.
引用
收藏
页码：373 / 382
页数：9
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