Phase-modulated temperature scanning interferometry for measurements of electrooptic coefficients: application to KTiOPO/sub 4/

Mangin, J.; Gadret, Grégory; Fossier, Sandrine; Strimer, P.

doi:10.1109/jqe.2005.848907

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Cited by 7 publications

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Linear and nonlinear optical properties of MgO:LiTaO3

et al. 2009

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International audienceWe derive new temperature dependent Sellmeier equations for the extra-ordinary and ordinary refractive indices of 0.5% MgO-doped stoichiometric LiTaO3 crystal. The equations are based on quasi phase-matched frequency conversion measurements, as well as on interferometric measurements of the thermal expansion and thermal dispersion. These equations fit experimental data over wide spectral ranges: 0.35–6 μm for the extra-ordinary wave and 0.375–3.75 μm for the ordinary wave, from room temperature up to 200°C. The nonlinear optical measurements set lower-limit values for the d 33, d 22, and d 24 elements of the second-order susceptibility tensor χ (2) of 12.9, 1.54, and 0.46 pm/V, respectively. The interferometric measurements enable one to determine the linear and quadratic expansion coefficients of 1.45762e−5 1/°C, and 2.68608e−8 (1/°C)2, respectively. The Sellmeier equations are in good agreement with previously published data

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