Abstract

We absolutely measure the second-order nonlinear-optical coefficients of LaBGeO₅ at the fundamental wavelength of 532 nm. The determined coefficients are d₃₃=1.15, d₂₂=1.41, d₃₁=d₃₂=0.75 and d₁₁=0.55 pm/V, which are inconsistent with those previously measured at 1064 nm.

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