Abstract
We make absolute measurements of the second-order nonlinear-optical coefficients of LaBGeO5 at the fundamental wavelength of 532 nm using the wedge technique. The obtained values, d11 = 0.55, d22 = 1.41, d33 = 1.15, d31 = d32 = 0.75 pm/V, are inconsistent with previous measurements at 1064 nm.
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