Abstract

We report new experimental results on the phase-matching properties of AgGa0.86In0.14S2 for second-harmonic generation (SHG) and sum-frequency generation (SFG) of a Nd:YAG laser-pumped KTiOPO4 (KTP), AgGaS2 optical parametric oscillators (OPOs), and a CO2 laser in the 0.615−10.5910 µm spectral range. In addition, we present Sellmeier equations that provide a good reproduction of the present experimental results and the value of the nonlinear optical constant d36(AgGa0.86In0.14S2) = 13.4 pm/V measured by SHG method.

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