(Cu, Ce)掺杂KNSBN晶体的生长和光折变特性

ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics Pub Date : 1996-08-18 DOI:10.1109/ISAF.1996.598110

Y. Zhang, E. Pun, D. Lu, E. Wong, P. Chung, D. Mo

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引用次数: 0

摘要

在Cu和Ce掺杂的情况下，成功地生长了KNSBN晶体。结果表明，Cu和Ce的掺杂有效地提高了KNSBN晶体的吸收，增强了400 ~ 650 nm波长的光折变性能。对这些晶体在632.8 nm处进行了双波混频和自抽运相位共轭实验。测得双波耦合增益和自抽运相位共轭反射率分别高达10 cm/sup -1/和70%。

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Crystal growth and photorefractive properties of (Cu, Ce)-doped KNSBN crystal

KNSBN crystal has been grown successfully with both Cu and Ce dopings. It is found that the Cu and Ce dopings increase effectively the absorption of KNSBN crystal and enhance the photorefractive properties at wavelengths 400-650 nm. Two-wave mixing and self-pumped phase conjugation experiments were carried out on these crystals at 632.8 nm. The two-wave coupling gain and the self-pumped phase conjugation reflectivity were measured to be as large as 10 cm/sup -1/ and 70%, respectively.

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ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics

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