Transient regime and superradiance in a short-pulse free-electron-laser oscillator
- 1 May 1995
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review E
- Vol. 51 (5) , 5147-5150
- https://doi.org/10.1103/physreve.51.5147
Abstract
We investigate the transient evolution of radiation in a low-gain free-electron-laser oscillator, driven by synchronized electron bunches much shorter than the slippage. We calculate analytically the radiation intensity and the gain in the linear regime. We show that, in the nonlinear regime and in the ideal case without losses, the radiation field is described, as in the short-pulse, high-gain amplifier, by the self-similar superradiant solution.Keywords
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