Experimental research on the electric field response characteristic of photorefractive spatial solitons in SBN:75 crystal

Ying Wang; Yihui Jiang; Guiying Deng; Xu Li; Suheng Zhang; Baolai Liang; Qinglin Guo

doi:10.1117/12.917567

15 November 2011 Experimental research on the electric field response characteristic of photorefractive spatial solitons in SBN:75 crystal

Ying Wang, Yihui Jiang, Guiying Deng, Xu Li, Suheng Zhang, Baolai Liang, Qinglin Guo

Author Affiliations +

Proceedings Volume 8335, 2012 International Workshop on Image Processing and Optical Engineering; 83351S (2011) https://doi.org/10.1117/12.917567
Event: 2012 International Workshop on Image Processing and Optical Engineering, 2012, Harbin, China

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.

Citation Download Citation

Ying Wang, Yihui Jiang, Guiying Deng, Xu Li, Suheng Zhang, Baolai Liang, and Qinglin Guo "Experimental research on the electric field response characteristic of photorefractive spatial solitons in SBN:75 crystal", Proc. SPIE 8335, 2012 International Workshop on Image Processing and Optical Engineering, 83351S (15 November 2011); https://doi.org/10.1117/12.917567

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