Analysis of the saturation of a high-gain free-electron laser
Physical Review E Volume 47 Issue 6
Page 4412-4429
published_at 1993-06
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| File | |
| Title ( eng ) |
Analysis of the saturation of a high-gain free-electron laser
|
| Creator |
Gluckstern Robert L.
Krinsky Samuel
|
| Source Title |
Physical Review E
|
| Volume | 47 |
| Issue | 6 |
| Start Page | 4412 |
| End Page | 4429 |
| 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.
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| NDC |
Physics [ 420 ]
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| Language |
eng
|
| Resource Type | journal article |
| Publisher |
The American Physical Society
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| Date of Issued | 1993-06 |
| Rights |
Copyright (c) 1993 The American Physical Society
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| Publish Type | Version of Record |
| Access Rights | open access |
| Source Identifier |
[ISSN] 1063-651X
[DOI] 10.1103/PhysRevE.47.4412
[NCID] AA10848730
[DOI] http://dx.doi.org/10.1103/PhysRevE.47.4412
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