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Proceedings Paper

Improvement of the holographic response time in photorefractive double-doping KNbO3
Author(s): Y. Ding; Zhiguo Zhang; Hans Joachim Eichler; Aimin Yin; Panming Fu; GuoWei Zhou; J. X. Tang; D. Z. Shen; X. Y. Ma; J. Y. Chen
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Paper Abstract

We report our experimental studies on the photorefractive response of KNbO3 double doped with manganese and rubidium. Two-beam coupling response time of photorefractive potassium niobate crystals is 3 to 10 times improved by double doping manganese and rubidium, when compared with that of the KNbO3:Mn crystals, which have shown a strong photorefraction. The photorefractive two-beam coupling gain coefficient in such crystals remains almost the same as those in KNbO3:Mn, which is 3 times higher than that of KNbO3 doped with rubidium alone, which has a fast response time.

Paper Details

Date Published: 30 September 1996
PDF: 2 pages
Proc. SPIE 2896, Photorefractive Materials, (30 September 1996); doi: 10.1117/12.253226
Show Author Affiliations
Y. Ding, Technical Univ. of Berlin (Germany)
Zhiguo Zhang, Institute of Physics and Ctr. for Condensed Matter Physics (Germany)
Hans Joachim Eichler, Technical Univ. of Berlin (Germany)
Aimin Yin, Institute of Physics and Ctr. for Condensed Matter Physics (China)
Panming Fu, Institute of Physics and Ctr. for Condensed Matter Physics (China)
GuoWei Zhou, Peking Univ. (China)
J. X. Tang, Peking Univ. (China)
D. Z. Shen, Research Institute of Synthetic Crystals (China)
X. Y. Ma, Research Institute of Synthetic Crystals (China)
J. Y. Chen

Published in SPIE Proceedings Vol. 2896:
Photorefractive Materials
Ratnakar R. Neurgaonkar; Tsutomu Shimura; Peixian Ye, Editor(s)

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