Broadband optical gain via interference in the free electron laser: principles and proposed realizations
Yuri V. Rostovtsev, Gershon Kurizki, Marlan O. Scully
Abstract
We propose experimentally simplified schemes of an optically dispersive interface region between two coupled free electron lasers (FELs), aimed at achieving a much broader gain bandwidth than in a conventional FEL or a conventional optical klystron composed of two separated FELs. The proposed schemes can universally enhance the gain of FELs, regardless of their design when operated in the short pulsed regime.
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