28 July 2000 Efficient 1-μm to 8-12-μm OPO converter
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Development of an OPO wavelength conversion scheme is currently in progress that converts the 1 micrometers output from a diode-pumped laser, to the 8 - 12 micrometers spectral region for remote chemical sensing applications. Preliminary results from the non-optimized first stage OPO, which uses an x-cut KTA crystal, show a 21% energy conversion efficiency from 1 micrometers to 2.59 micrometers . The 2.59 micrometers output will then be used to pump a CdSe OPO to generate tunable 8 - 12 micrometers idler wave output.
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Joseph M. Fukumoto, Joseph M. Fukumoto, Jay A. Fox, Jay A. Fox, Cynthia R. Swim, Cynthia R. Swim, "Efficient 1-μm to 8-12-μm OPO converter", Proc. SPIE 4036, Chemical and Biological Sensing, (28 July 2000); doi: 10.1117/12.394063; https://doi.org/10.1117/12.394063

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