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Proceedings Paper

Photorefractive effect of double doped Ce:Co:KNSBN crystal
Author(s): Rui Wang; Yuheng Xu; Xinrong Liu
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Paper Abstract

The materials ratio is compounded followed by the molecular formula Ba0.5Sr1.5K0.5Na0.5Nb5O15. Doping 0.05 wt% CeO2 and 0.03 wt% Co2O3 in KNSBN, Ce:Co:KNSBN crystal was grown by Czochralski technique adopting SiMo heater furnace. The exponential gain coefficient, diffraction efficiency and response time of Ce:Co:KNSBN crystal were measured through two-beam couple light path. The phase conjugation reflect efficiency and response time of Ce:Co:KNSBN and Cu:SBN crystals were measured by four-wave mixing light path. The holographic associative storage were established by using Ce:Co:KNSBN crystal as recording apparatus and Cu:SBN crystal as phase conjugation lens. Addressing was operated by 75% and 50% images and the associative storage reappearing images are clear, complete and noise was small. The photo-refractive effects of Ce:Co:KNSBN crystal are more excellent than KNSBN crystal.

Paper Details

Date Published: 3 January 2005
PDF: 6 pages
Proc. SPIE 5643, Advances in Optical Data Storage Technology, (3 January 2005); doi: 10.1117/12.574169
Show Author Affiliations
Rui Wang, Harbin Institute of Technology (China)
Yuheng Xu, Harbin Institute of Technology (China)
Xinrong Liu, Harbin Institute of Technology (China)

Published in SPIE Proceedings Vol. 5643:
Advances in Optical Data Storage Technology
Duanyi Xu; Kees A. Schouhamer Immink; Keiji Shono, Editor(s)

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