Answers are grounded in this paper and cite their sources.
Quadratic electro-optic coefficients in single crystal SrTiO3 were measured using a Mach-Zehnder interferometer and employing a special phase-modulation technique to find g11=+0.15 m4/C2, g12=+0.04 m4/C2, and g44=+0.08 m4/C2 at room temperature. This result is discussed in connection with DiDomenico-Wemple's theory of nonlinear optical effects in oxygen-octahedra ferroelectrics and also with the induced SHG effect of the crystal.
No takes yet. Share an insight, caveat, or question.
Fujii et al. (1970) studied this question.
Synapse has enriched 5 related papers. Consider them for comparative context: