Abstract

Passive Q switching of a tunable alexandrite solid-state laser with a Cr:Y₂SiO₅ solid-state saturable absorber is numerically studied over a major portion of the alexandrite tuning range. The theory of passive Q switching with a slowly relaxing saturable absorber is studied and utilized for evaluating the performance of the Cr:YSO Q-switched alexandrite laser system. With a typical laser configuration, a Q-switched laser pulse of 262 mJ in 23 ns is obtained.

© 2001 Optical Society of America

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