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Lithium Iodate Parametric Oscillator.

机译:碘酸锂参数振荡器。

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This report summarizes the results of a fifteen-month program whose goal is to study the potential of lithium iodate as an infrared optical parametric oscillator (OPO) material. Since lithium iodate is transparent further into the infrared than lithium niobate, a major goal of this program has been to push kHz-pulse-repetition-rate OPO outputs beyond the 3.7micrometers previously obtained using lithium niobate. Parametric oscillation was successfully achieved in lithium iodate on this program with average output powers of 530mW obtained in the 1.9to 2.4micrometer range, 50mW in the 3.2to 3.8micrometer range, 5mW in the 3.8to 4.1micrometer range,and up to 1mW obtained in the 4.4to 5.1micrometer range. Rotation tuning was used to tune the LiIO3and LiNbO3OPO performance. In addition,OPO threshold expressions were derived that separate the effects of crystal idler absorption,signal absorption,and OPO mirror reflectivities.

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