We have obtained over 1.8 W of power from a cw chromium-doped forsterite laser operated at 77 K when it is pumped by a 7.3-W Nd:YAG laser at 1.06 microm. The forsterite laser tunes smoothly from 1.2 to 1.32 microm. At room temperature the output power decreases to approximately 35% of the cryogenic power level.
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Carrig et al. (1991) studied this question.
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