Abstract
A nanosecond Nd:YAG laser-pumped external cavity eye-safe Raman laser based on crystal is efficiently demonstrated. The average power of was operating at a pulse repetition rate of and an incident pump power of . Conversion efficiency of 14.5% and a high slope efficiency of 54.5% have been achieved. Pulse shortening was obviously observed. The pulse duration of the first Stokes was about , much shorter than the fundamental pulse with a duration of .
© 2008 Optical Society of America
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