Abstract

The photorefractive effect is demonstrated in single crystals of ferroelectric Ce-doped (BaSr)6Ti2Nb8O30 for the first time to our knowledge. The maximum intensity gain, measured by two-beam coupling at a 488-nm wavelength, was Γ ~ 20 cm−1. The photorefractive time response, also measured from beam coupling, was determined to be 0.1 s at an incident intensity of I = 1 W/cm2.

© 1992 Optical Society of America

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