Backscattered supercontinuum emission from high-intensity laser-plasma interactions

被引：49
|
作者：
Ting, A [1 ]
Krushelnick, K [1 ]
Burris, HR [1 ]
Fisher, A [1 ]
Manka, C [1 ]
Moore, CI [1 ]
机构：
[1] CORNELL UNIV,PLASMA STUDIES LAB,ITHACA,NY 14853
来源：
OPTICS LETTERS | 1996年 / 21卷 / 15期
关键词：
D O I：
10.1364/OL.21.001096
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We performed high-intensity subpicosecond laser-plasma interaction experiments to examine nonlinear scattering mechanisms in underdense plasmas. At incident laser intensities of 2 x 10(18) W/cm(2) the stimulated-Raman-backscattered spectrum exhibited an extremely broad, supercontinuumlike structure (Delta omega/omega(0) > 1) extending from similar to 500 to >1200 nm (limited only by detector sensitivity). Large-amplitude modulations in the spectrum of the backscattered light were measured and are attributed to an interaction of the stimulated-Raman-scattered radiation with ion plasma waves. (C) 1996 Optical Society of America
引用
收藏
页码：1096 / 1098
页数：3
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