Effect of induced betatron motion on longitudinal wiggler free-electron laser gain

被引：1
|
作者：
Couhan, S
Mishra, G
机构：
[1] Forschungszentrum GmbH, Inst Synchrotron Radiat, ANKA, D-76021 Karlsruhe, Germany
[2] Devi Ahilya Univ, Sch Phys, Indore, India
来源：
LASER AND PARTICLE BEAMS | 2003年 / 21卷 / 01期
关键词：
betatron motion; emission frequency; undulator radiation; wiggler free-electron;
D O I：
10.1017/S0263034602211118
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
In this article, we discuss the modifications that occur in the brightness and gain of a longitudinal wiggler-free electron laser with the aid of induced betatron oscillation. Two novel approaches have been discussed to improve the gain of the system. In the first scheme, an auxiliary undulator field with betatron oscillations brings in additional bunching and results in enhanced gain. In the second scheme, an axial magnetic field is tuned to provide additional bunching for gain enhancement.
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页码：53 / 58
页数：6
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