The refocusing behaviour of a focused femtosecond laser pulse in fused silica

被引：17
|
作者：
Wu, ZX [1 ]
Jiang, HB
Yang, H
Gong, QH
机构：
[1] Beijing Univ, Dept Phys, Beijing 100871, Peoples R China
[2] Beijing Univ, State Key Lab Mesoscop Phys, Beijing 100871, Peoples R China
来源：
JOURNAL OF OPTICS A-PURE AND APPLIED OPTICS | 2003年 / 5卷 / 02期
关键词：
femtosecond laser pulse; self-focusing; filamentation; pulse propagation;
D O I：
10.1088/1464-4258/5/2/305
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Refocusing behaviour was observed when a single femtosecond laser pulse was focused into fused silica. A theoretical model based on the nonlinear Schrodinger equation is given, from which a semianalytical solution Is obtained and using which the experimental results are interpreted qualitatively. A clear physical insight into the formation of refocusing behaviour and propagation in ionizing media is provided.
引用
收藏
页码：102 / 107
页数：6
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