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Conference Paper
Photorefractive Effects, Materials, and Devices
Sanya, Hainan China
July 19, 2005
ISBN: 1-55752-793-8
Applications: Miscellaneous (AM)

The photo-assisted wet-etching effect in lithium niobate crystals by laser irradiation at different wavelengths

Xuanyi Yu, Jingjun Xu, Haijun Qiao, Baiquan Tang, and Hua Yu

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We studied the photo-assisted wet-etching effects in lithium niobate crystals with different compositions under different illuminating light wavelengths of 532nm, 488nm and 351nm. It is found that the properties of the photo-assisted wet-etching effect depend strongly on both the composition and the illuminating light. This phenomenon is of interest to the study and the fabrication of photonic surface-microstructure in lithium niobate. The involved mechanism is also qualitatively explained in this paper.

© 2005 Optical Society of America

OCIS Codes
(160.3730) Materials : Lithium niobate
(220.4000) Optical design and fabrication : Microstructure fabrication
(350.3390) Other areas of optics : Laser materials processing

X. Yu, J. Xu, H. Qiao, B. Tang, and H. Yu, "The photo-assisted wet-etching effect in lithium niobate crystals by laser irradiation at different wavelengths," in Photorefractive Effects, Materials, and Devices, G. Zhang, D. Kip, D. Nolte, and J. Xu, eds., Vol. 99 of OSA Trends in Optics and Photonics (Optical Society of America, 2005), paper 807.

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