Abstract
We report on the passive -switching laser performance of the garnet crystal. With a crystal used as saturable absorber for passive -switching, an average output power of 5.31 W was produced at a pulse repetition rate of 62.5 kHz, the optical-to-optical and slope efficiencies being, respectively, 45% and 61%. Laser pulses of 140 μJ in energy and 5.8 ns in duration were also obtained at 22.2 kHz, with a corresponding peak power amounting to 24.1 kW.
© 2013 Optical Society of America
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