Ho:YAG laser pumped by 1.9-/spl mu/m diode lasers

A 21-/spl mu/m Ho:YAG laser end pumped by 1.9-/spl mu/m diode lasers has generated nearly 0.7-W CW output power. Laser operation was maintained even with Ho:YAG heat sink temperatures in excess of 60/spl deg/C. >

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