An alexandrite regenerative amplifier, used to amplify the output of various specialized oscillators, is described. Nanosecond pulses from a narrow-frequency CW-pumped dye laser, picosecond pulses from a gain-switched diode laser, and femtosecond pulses from a synchronously pumped dye laser were amplified by 6-10 orders of magnitude in a single stage while conserving the temporal and spectral profiles characteristic to the oscillators.>
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Bado et al. (1988) studied this question.
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