A simple model for the generation of ultra-short radiation pulses

Campbell, L. T. and McNeil, B W. J. (2013) A simple model for the generation of ultra-short radiation pulses. In: FEL 2012. JACoW, pp. 626-629. ISBN 9783954501236

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    Abstract

    A method for generating a single broadband radiation pulse from a strongly chirped electron pulse is described. The evolution of the chirped electron pulse in an undulator may generate a pulse of coherent spontaneous radiation of shorter duration than the FEL cooperation length. An analytic expression for the emitted radiation pulse is derived and compared with numerical simulation.