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Conferences > PEMD > 2005 > MPCI > 91

On the dark-decay behaviors of photorefractive gratings in near-stoichiometric magnesium doped lithium niobate crystals at 351 nm

Haijun Qiao, Jingjun Xu, Guoquan Zhang, Dengsong Zhu, Xuanyi Yu, Guangyin Zhang, Haijun Qiao, Wei Li, and Yasuo Tomita

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Abstract

We studied the photorefractive properties of near-stoichiometric magnesium doped lithium niobate crystals in the near-ultraviolet at 351 nm. Dark-decay behaviors of recorded photorefractive gratings were particularly investigated in detail. We found that they were strongly dependent on magnesium concentrations and the [Li]/[Nb] ratio. This result provides useful information on defects that are responsible for the near-ultraviolet photorefractivity in lithium niobate.

© 2005 Optical Society of America

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