DTIC ADA471897: Wall Plug Efficiencies of FEL pdf

DTIC ADA471897: Wall Plug Efficiencies of FEL

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In a high average power FEL, the wall-plug efficiency is of critical importance in determining the size, complexity, and cost of the overall system. The wall-plug efficiency for the FEL oscillator and amplifier (uniform and tapered wiggler) are obtained and compared. In general, we find that the wall-plug efficiency for the tapered wiggler FEL amplifier is more than a factor of two greater than that of the oscillator. For typical MW class FEL parameters, we find that the wall-plug efficiency for the oscillator is in the range of 5-10%. The wall-plug efficiency for the uniform wiggler amplifier is found to be 5-10%, and for the tapered wiggler amplifier, the wall-plug efficiency is 20-25

• Creator/s: Defense Technical Information Center
• Date: 6/6/2007
• Year: 2007
• Book Topics/Themes: DTIC Archive, Sprangle, Phillip, NAVAL RESEARCH LAB WASHINGTON DC PLASMA PHYSICS DIV, *FREE ELECTRON LASERS, *LINEAR ACCELERATORS, OSCILLATORS, RECOVERY, AMPLIFIERS, TAPER, EFFICIENCY

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