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The advantages of a negative branch unstable resonator for use with free-electron lasers

Journal Article · · IEEE J. Quant. Electron.; (United States)
The sensitivity to misalignment of an almost concentric stable resonator is compared to that of a negative branch confocal unstable resonator, with specific applications to free-electron lasers. The practicability of both resonators is examined for both grazing and normal incidence configurations within the constraints of maximum feasible length, finite angular stability of resonator mirrors, size (determined by cooling requirements) of laser beam mirrors, and minimum electron beam spot size in the wiggler. For the examples presented, a numerical fast Fourier transform propagation code was used.
Research Organization:
Los Alamos National Lab., Los Alamos, NM 87545
OSTI ID:
5628433
Journal Information:
IEEE J. Quant. Electron.; (United States), Journal Name: IEEE J. Quant. Electron.; (United States) Vol. QE-22:7; ISSN IEJQA
Country of Publication:
United States
Language:
English