Thermal effects on the linear gain in free-electron lasers
| Autor: | H.P. Freund, Douglas A. Kirkpatrick, R.C. Davidson |
|---|---|
| Rok vydání: | 1991 |
| Předmět: |
Physics
business.industry Wiggler Gain Free-electron laser Laser pumping Condensed Matter Physics Atomic and Molecular Physics and Optics Round-trip gain symbols.namesake Optics Planar Maxwell's equations Physics::Plasma Physics Dispersion relation Harmonics symbols Physics::Accelerator Physics Thermal emittance Electrical and Electronic Engineering business Beam (structure) |
| Zdroj: | IEEE Journal of Quantum Electronics. 27:2550-2559 |
| ISSN: | 0018-9197 |
| DOI: | 10.1109/3.104132 |
| Popis: | The authors develop a self-consistent formulation of the linear gain in both helical and planar wiggler configurations in the presence of an axial energy spread derived from a beam pitch-angle spread. Such a beam may be thought of as monoenergetic but with a non-vanishing emittance. The analysis includes collective Raman effects for both the helical and planar wiggler systems, and describes the gain at harmonics in the case of a planar wiggler. General dispersion equations are derived, and solved numerically, for each wiggler configuration which includes a general thermal function which describes the effect of the pitch-angle spread. > |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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