Abstract

This paper presents the results of measurements by the Sénarmont compensator method of the dc electro-optic coefficients at a wavelength of 6328 Å and observations of electro-optic modulation at radio frequencies in single-domain crystals of lithium niobate (LiNbO₃), a trigonal crystal of point group 3m. Tables of electro-optic properties and measurements are included, as well as a series of optical interference figures for various static field conditions. The magnitudes of the dc coefficients were found to be r₂₂=2.0×10⁻⁷ cm/statvolt and |0.9r₃₃−r₁₃|=5.2×10⁻⁷ cm/statvolt.

© 1966 Optical Society of America

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