Abstract
We demonstrate a laser-diode pumped efficient triwavelength laser at about with a Nd-doped yttrium gallium garnet crystal for the first time, to our knowledge. Continuous wave output power of was achieved under an absorbed pump power of , corresponding to the slope efficiency of 52.7%. With Cr:YAG as the saturable absorber, passive Q-switching performance was obtained. The shortest pulse width, largest pulse energy, and highest peak power were obtained at , , and , respectively. The laser spectrum was found to be a triwavelength, with respective wavelengths of 1062.1, 1060.3, and , and three laser transitions were assigned.
© 2010 Optical Society of America
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