Free-electron-laser amplifiers with variable wiggler field amplitude are described by a fully hamiltonian model. Very high efficiency is obtained by both multiple linear tapering and continuous tapering. Simple scaling laws for wiggler field variation and efficiency are derived.
Hamiltonian model and scaling laws for free-electron-laser amplifiers with tapered wiggler / R. Bonifacio, F. Casagrande, M. Ferrario, P. Pierini, N. Piovella. - In: OPTICS COMMUNICATIONS. - ISSN 0030-4018. - 66:2-3(1988), pp. 133-139.
Hamiltonian model and scaling laws for free-electron-laser amplifiers with tapered wiggler
R. Bonifacio;F. Casagrande;N. Piovella
1988
Abstract
Free-electron-laser amplifiers with variable wiggler field amplitude are described by a fully hamiltonian model. Very high efficiency is obtained by both multiple linear tapering and continuous tapering. Simple scaling laws for wiggler field variation and efficiency are derived.
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