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Conference Paper
Photorefractive Effects, Materials, and Devices
Delavan, Wisconsin United States
July 8, 2001
ISBN: 1-55752-693-1
Properties of Photorefractive Crystals (PPC)

UV photorefractive effect in Na+-doped lithium niobate crystals

Haijun Qiao, Jingjun Xu, Yongfa Kong, Qian Sun, and Guangyin Zhang

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We studied the UV photorefractive effect and other optical properties of Na+-doped lithium niobate crystals. The behavior of the photorefractive resistance in Na+-doped lithium niobate crystals was found to be quite different from that in lithium niobate crystals doped with other well known optical-damage resistant metal ions, such as Mg2+, Zn2+, In3+ etc. It is also found that not only the defect structures but also the ratio of [Li]/[Nb] in our samples was changed by doping with Na+ ions. We theoretically analysed our experimental results, based on the Li-vacancy model.

© 2001 Optical Society of America

OCIS Codes
(160.3730) Materials : Lithium niobate
(190.5330) Nonlinear optics : Photorefractive optics
(260.7190) Physical optics : Ultraviolet

H. Qiao, J. Xu, Y. Kong, Q. Sun, and G. Zhang, "UV photorefractive effect in Na+-doped lithium niobate crystals," in Photorefractive Effects, Materials, and Devices, G. Salamo and A. Siahmakoun, eds., Vol. 62 of OSA Trends in Optics and Photonics (Optical Society of America, 2001), paper 490.

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