Abstract
The repetitively-pulsed electron beam pumped excimer laser has been demonstrated to be capable of delivering high average power in the ultraviolet region of the spectrum. The results of recent experiments and comprehensive numerical modeling are presented. The experimental data were obtained from an electron beam pumped XeF laser with a decentered unstable resonator and a flowing gain medium. This device produced a pulse energy of 40 to 50 J at a pulse repetition frequency of 100 Hz. The numerical modeling was focused on providing detailed understanding of observed pulse shapes. These simulations involved two separated models: a detailed XeF kinetics code and an optical extraction code which is based on a novel stable resonator formulation. This integrated model was used to analyze and interpret the results of several recent experiments.
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