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Conferences > PMED > 1990 > F > F2

Mechanisms of photochromic and photorefractive effects in double doped LiNbO3

E.S. Vartanyan, R.S. Micaelyan, R.K. Hovsepyan, and A.R. Pogosyan

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Abstract

The Lithium niobate crystals doping is effective photo-induced crystals properties influence method. Therefor, this paper was devoted to experimental investigations of photorefractive and photochromic effects in lithium niobate crystals, doping with Fe: Mn, Fe: Cu, Fe9Ti and Fe: Hf impurity combinations. Separately doping with Fe, Cu, Ti, Hf crystals were used for comparison in experiments. The crystal absorbtion spectrums show, that the impurities interact in spite of small concentrations. Photorefractive sensibility determination was corried out with careful in this work.

© 1990 Optical Society of America

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