Superradiant evolution of radiation pulses in a free-electron laser
- 1 September 1991
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 44 (6) , R3441-R3444
- https://doi.org/10.1103/physreva.44.r3441
Abstract
We demonstrate analytically and numerically superradiant spiking behavior in the leading and trailing regions of a radiation pulse propagating within a long electron pulse in a single-pass, high-gain free-electron laser (FED). A single superradiant spike is observed when the radiation pulse is shorter than a cooperation length . We show this work may be relevant to the understanding of the spiking behavior in the FEL oscillator, and to possible spiking mechanisms in a perturbed steady-state amplifier.
Keywords
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