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STUDIES OF FREQUENCY SPECTRUM OSCILLATING PHENOMENON OF FREE ELECTRON LASER AMPLIFIER
Author(s) -
Jiang Hua-Bei
Publication year - 1986
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.35.792
Subject(s) - physics , electron , laser , energy spectrum , quantum electrodynamics , amplifier , atomic physics , quantum mechanics , computational physics , optoelectronics , cmos
In this paper, on the basis of a single-particle model, the dispersion equation is obtained after considering the first perturbation term of relativistic energy factor. The results show that the frequency spectrum of free electron laser amplifier (FELA) exhibit oscillating phenomenon when injected electron energy is large enough. The origin of this phenomenon is attributed to perturbing effect of the relativistic energy factor. A some what detailed discussion is given.

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