High-gain free-electron laser pulse amplifiers with variable wigglers |
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| Authors: | AT Georges WH Louisell |
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| Institution: | Department of Physics, University of Southern California, Los Angeles, CA 90007, USA |
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| Abstract: | Calculations are presented for pulse amplification in high-gain free-electron lasers with variable wiggler magnets. Better than 90% peak electron trapping and overall peak energy extraction efficiencies of over 60% are demonstrated for 1 μm radiation. Pulse reshaping and phase modulation effects are investigated. |
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