COMPOUND WIGGLER TO LASE ON A SELECTED HARMONIC

被引:7
作者
WARREN, RW [1 ]
PIOVELLA, N [1 ]
机构
[1] UNIV MILAN,DIPARTMENTO FIS,I-20133 MILAN,ITALY
关键词
D O I
10.1016/0168-9002(91)90958-S
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
Lasing on the third harmonic of the fundamental FEL wavelength has recently been accomplished. Lasing on even higher harmonics appears to be possible and can offer advantages of various kinds. A serious problem is the necessity for suppressing lasing on unwanted harmonics and selecting only the desired one. We have devised a technique to select the desired harmonic that depends upon a modification to the design of the wiggler. We discuss the principles of this modification, the properties of modified wigglers, and give an example of a wiggler design that employs this technique.
引用
收藏
页码:696 / 699
页数:4
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