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Conferences > PMED > 1991 > WB > WB6

Photorefractive and Photochromic Effects in Barium Titanate

M. H. Garrett, J. Y. Chang, T. M. Pollak, H. P. Jenssen, and C. Warde

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Abstract

Nominally undoped p-type BaTiO3 was grown that exhibits interesting intensity dependent photorefractive and photochromic properties. When its photochomism is activated the absorption increases at the activating wavelength and there is a concurrent and proportional reduction in photorefractive response time. Three photoactivated and thermally reversible absorption conditions and the difference spectra of the photochromic crystal are shown in Figure 1.

© 1991 Optical Society of America

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