12 March 2013 Second-harmonic generation in Hg0.35Cd0.65Ga2S4 and Hg0.52Cd0.48Ga2S4
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Hg0.35Cd0.65Ga2S4 and Hg0.52Cd0.48Ga2S4 have been found to be phase-matchable for type-1 second-harmonic generation (SHG) of the fundamental radiation at 2.907-5.453 μm and 2.423-6.725 μm, respectively. The Sellmeier equations for HgGa2S4 and CdGa2S4 that reproduce well these experimental results as well as the published data for the Cr:forsterite laser (1.25 μm)-pumped Hg0.35Cd0.65Ga2S4 optical parametric generator (OPG) and the Ti:Al2O3 laser (0.820 μm)-pumped Hg0.52Cd0.48Ga2S4 optical parametric amplifier (OPA) at 5.59-9.12 μm are presented.
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Kiyoshi Kato, Kiyoshi Kato, Takuya Mikami, Takuya Mikami, Valentin Petrov, Valentin Petrov, } "Second-harmonic generation in Hg0.35Cd0.65Ga2S4 and Hg0.52Cd0.48Ga2S4", Proc. SPIE 8604, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XII, 86041I (12 March 2013); doi: 10.1117/12.2002917; https://doi.org/10.1117/12.2002917

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