CYCLOTRON-RESONANCE IN A FEL WITH A SPIRAL UNDULATOR AND AN INVERSE AXIAL MAGNETIC-FIELD

被引：2
|
作者：
KAMINSKY, AA
KAMINSKY, AK
KARBUSHEV, NI
SARANTSEV, VP
SEDYKH, SN
SERGEEV, AP
SILIVRA, AA
机构：
[1] MOSCOW RADIOTECH INST,MOSCOW 113519,RUSSIA
[2] KIEV TG SHEVCHENKO STATE UNIV,DEPT PHYS,KIEV 253225,UKRAINE
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1993年 / 331卷 / 1-3期
关键词：
D O I：
10.1016/0168-9002(93)90104-P
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The electron motion in a FEL with a helical undulator and a longitudinal magnetic field is studied. It is shown that in the small pump approximation the electron motion in the transverse plane can be considered as a superposition of two counter circle gyrations. Therefore, the cyclotron resonances exist for both directions of a guide field. The ''anticyclotron'' resonance (i.e. cyclotron resonance in the reversed guide field) is caused by the transverse inhomogeneity of the undulator field and it appears only for off-axis electrons.
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页码：531 / 534
页数：4
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