Abstract
We report the temperature dependence of a continuous-wave noncritically phase-matched optical parametric amplifier based on a 15-mm-long silver gallium sulfide crystal pumped by a 50-mW near-IR AlGaAs diode laser This amplifier is idler seeded by a 15-mW KCl:Li color-center laser and produces microwatt-range power of a signal radiation at Updated linear and thermo-optic data of this chalcopyrite material, such as its room-temperature refractive indices and their temperature dependence, are devised from this type I (eoo) 3:1 frequency-division process and from other published data on noncritically phase-matched difference-frequency generation. The resulting values reproduce fairly well all of the reported results on temperature phase-matched parametric mixing.
© 1997 Optical Society of America
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