Abstract
A high-power light produced by an intracavity frequency-doubling acousto-optic Q-switched self-frequency Raman laser is reported. A -long composite crystal and a -long (LBO) with noncritical phase-matching (, ) cut were adopted for efficient self-Raman laser operation and second-harmonic generation, respectively. By the optimizing the focus position of incident pump light and Q-switch repetition rate, yellow light with average power was generated under the pump power of , corresponding to the overall diode-yellow conversion efficiency of 24.2% and slope efficiency of 32%. The pulse width is about , and the pulse energy is up to .
© 2009 Optical Society of America
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