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ZGP (ZnGeP2) single crystal has large nonlinear coefficients (d36=75pm/V), wide infrared transparency range(0.75-12μm), high thermal conductivity(0.35W/(cm·K)), high laser damage threshold (2-5J/cm2)and well machining property, ZnGeP2 (ZGP crystal) was c
AGS is transparent from 0.53 to 12 µm. Although its nonlinear optical coefficient is the lowest among the mentioned infrared crystals, high short wavelength transparency edging at 550 nm is made use of in OPOs pumped by Nd:YAG laser; in numerous differenc
AGSe2 AgGaSe2(AgGa(1－x)InxSe2) crystals have band edges at 0.73 and 18 µm. Its useful transmission range (0.9–16 µm) and wide phase matching capability provide excellent potential for OPO applications when pumped by a variety of different lasers.
High-quality crystals of BGSe(BaGa4Se7), a newly developed IR nonlinear optical (NLO) material, were obtained via the Bridgman–Stockbarger technique. Superior performance to generate tunable coherent radiation up to18 μm pumped by the commercial 1μm lase