Abstract
By using neodymium-doped gadolinium gallium garnet (Nd:GGG) as the laser medium, a passively Q-switched simultaneous dual-wavelength Nd:GGG laser with a GaAs saturable absorber has been realized. The Nd:GGG laser operates at a stable dual-wavelength peaked at 1060.8 and 1062.7 nm without any wavelength selective elements in the cavity. Stable Q-switched pulses with a shortest duration of 6 ns have been obtained, corresponding to a single pulse energy of 2.1 μJ and a peak power of 335 W.
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