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Proceedings Paper

Experimental research on the electric field response characteristic of photorefractive spatial solitons in SBN:75 crystal
Author(s): Ying Wang; Yihui Jiang; Guiying Deng; Xu Li; Suheng Zhang; Baolai Liang; Qinglin Guo
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Paper Abstract

We have observed the formation of photorefractive spatial quasi-stead-state solitons in SBN:75 crystal by electric field with white beam as background and signal beam intensity of μW magnitude. It was found that the electric field had obvious effect on the characteristics of laser beam propagation in crystal. It showed a performance of self-focusing that the output beam from the crystal is proportional to the voltage of the external electric field along the c-axis of the crystal. At the voltage of 900V(1800V/cm), (2+1) -dimensional bright spatial solitons formed. While applied voltage along the reverse of c-axis, the diffraction of spot on the output face of the crystal appeared obviously as a performance of self-defocusing.

Paper Details

Date Published: 15 November 2011
PDF: 7 pages
Proc. SPIE 8335, 2012 International Workshop on Image Processing and Optical Engineering, 83351S (15 November 2011); doi: 10.1117/12.917567
Show Author Affiliations
Ying Wang, Hebei Univ. (China)
Yihui Jiang, Hebei Univ. (China)
Guiying Deng, Hebei Univ. (China)
Xu Li, Hebei Univ. (China)
Suheng Zhang, Hebei Univ. (China)
Baolai Liang, Hebei Univ. (China)
Qinglin Guo, Hebei Univ. (China)

Published in SPIE Proceedings Vol. 8335:
2012 International Workshop on Image Processing and Optical Engineering
Hai Guo; Qun Ding, Editor(s)

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