ION-CHANNEL LASER

被引：140
|
作者：
WHITTUM, DH [1 ]
SESSLER, AM [1 ]
DAWSON, JM [1 ]
机构：
[1] UNIV CALIF LOS ANGELES,DEPT PHYS,LOS ANGELES,CA 90024
来源：
PHYSICAL REVIEW LETTERS | 1990年 / 64卷 / 21期
关键词：
D O I：
10.1103/PhysRevLett.64.2511
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A relativistic electron beam propagating through a plasma in the ion-focused regime exhibits an electromagnetic instability with peak growth rate near a resonant frequency 22. Growth is enhanced by optical guiding in the ion channel, which acts as a dielectric waveguide, with fiber parameter V1(I/IA)1/2. A 1D theory for a laser making use of this instability is formulated, scaling laws are derived, and numerical examples are given. Possible experimental evidence is noted. © 1990 The American Physical Society.
引用
收藏
页码：2511 / 2514
页数：4
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