Experimental observation of limit-cycle oscillations in a short-pulse free-electron laser
- 31 May 1993
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 70 (22) , 3412-3415
- https://doi.org/10.1103/physrevlett.70.3412
Abstract
The first experimental observation of limit-cycle power oscillations in a short-pulse free-electron laser is presented. These are due to a nonlinear modulation of the optical micropulse shape and phase by the electrons, which leads to the formation of a train of subpulses. Experimentally, the oscillations have been found to depend on the slippage distance and on the desynchronism between optical pulses and electron bunches, comparing well with theoretical predictions.Keywords
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