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ID 20754
file
creator
Gluckstern, Robert L.
Krinsky, Samuel
NDC
Physics
abstract
We study the saturated state of an untapered free-electron laser (FEL) in the Compton regime, arising after exponential amplification of an initially low level of radiation by an initially monoenergetic, unbunched electron beam. The saturated state of the FEL is described by oscillations about an equilibrium state. Using the two invariants of the motion and certain assumptions motivated by computer simulations we provide approximate analytic descriptions of the radiation field and electron distribution in the saturation regime. We first consider a one-dimensional approximation and later extend our approach to treat an electron beam of finite radial extent. Of note is a result on the radiated power in the case of an electron beam with a small radius.
journal title
Physical Review E
volume
Volume 47
issue
Issue 6
start page
4412
end page
4429
date of issued
1993-06
publisher
The American Physical Society
issn
1063-651X
ncid
publisher doi
language
eng
nii type
Journal Article
HU type
Journal Articles
DCMI type
text
format
application/pdf
text version
publisher
rights
Copyright (c) 1993 The American Physical Society
relation url
department
Graduate School of Advanced Sciences of Matter