16 April 2015 Tunable continuous-wave midwave infrared generation using an orientation patterned GaAs crystal with a fan-out grating design
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Abstract
We report the first demonstration of frequency conversion in an orientation patterned GaAs (OPGaAs) crystal with a fan-out grating configuration. Room temperature frequency doubling of a continuous-wave carbon dioxide laser tuned from 9.26 to 10.65 micrometers was obtained using the large-aperture OPGaAs crystal (>3 mm thick, >7.5 mm wide and 40 mm long) with fan-out grating periods ranging between 212.5 μm and 220 μm.
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Shekhar Guha, Peter G. Schunemann, Jacob O. Barnes, Leonel P. Gonzalez, "Tunable continuous-wave midwave infrared generation using an orientation patterned GaAs crystal with a fan-out grating design", Proc. SPIE 9347, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XIV, 93470M (16 April 2015); doi: 10.1117/12.2076399; https://doi.org/10.1117/12.2076399
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