Variable-Wiggler Free-Electron-Laser Oscillation
- 30 January 1984
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 52 (5) , 344-347
- https://doi.org/10.1103/physrevlett.52.344
Abstract
A tapered-wiggler free-electron-laser oscillator has been operated above threshold at the wavelength of 1.57 μm. The laser was operated with 0%, 1%, and 2% tapers in energy, achieving laser efficiency of 0.4%, 1.1%, and 1.2%, respectively. The efficiency of the 2% taper was three times the untapered case.Keywords
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