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Proceedings Paper

External electric field dependence of nonvolatile holographic recording in doubly doped LiNbO3 crystals
Author(s): Qianmin Dong; Liren Liu; Dean Liu; Yu Zhou; Juan Zhang
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Paper Abstract

External electric field has great effect on grating formation via additional carrier drift during nonvolatile holographic recording. The photorefractive properties of doubly doped LiNbO3:Fe:Mn crystals are theoretically investigated by jointly solving the two-center material equations with nonzero external electric field and the coupled-wave equations. The external electric field dependence of the refractive-index changes n1, the diffraction efficiency η as well as the photorefractive sensitivity S are studied for oxidized LiNbO3:Fe:Mn crystals. Significant improvement of the photorefractive performance has been revealed by applying external electric fields to oxidized LiNbO3:Fe:Mn. The enhanced material performance under external electric field improves the applicability of doubly doped LN crystals.

Paper Details

Date Published: 22 October 2004
PDF: 7 pages
Proc. SPIE 5560, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications X, (22 October 2004); doi: 10.1117/12.557875
Show Author Affiliations
Qianmin Dong, Shanghai Institute of Optics and Fine Mechanics (China)
Liren Liu, Shanghai Institute of Optics and Fine Mechanics (China)
Dean Liu, Shanghai Institute of Optics and Fine Mechanics (China)
Yu Zhou, Shanghai Institute of Optics and Fine Mechanics (China)
Juan Zhang, Shanghai Institute of Optics and Fine Mechanics (China)


Published in SPIE Proceedings Vol. 5560:
Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications X
Francis T. S. Yu; Ruyan Guo; Shizhuo Yin, Editor(s)

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