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Proceedings Paper

Photorefractive Properties Of CR-Doped Single Crystal Strontium Barium Niobate
Author(s): Koichi Sayano; Amnon Yariv; Ratnakar R. Neurgaonkar
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Paper Abstract

Cr-doped strontium barium niobate has shown significant reduction in the time of response compared to previously grown Ce-doped crystals, with room temperature response times as short as 0.2 sec. The experimental photorefractive two-beam coupling gain and response time of 1% and 1.6% Cr-doped SBN:60 and 1% Cr-doped SBN:75 will be presented and compared to results in Ce-doped SBN:60. The photorefractive effect in Cr-doped SBN:60 has also shown a strong temperature dependence, with gain increasing by a factor of two when the crystal was cooled from 40 to -20° C. Significant gain enhancement was also predicted and obtained by applying a DC electric field of up to 10 kV/cm.

Paper Details

Date Published: 4 January 1990
PDF: 5 pages
Proc. SPIE 1148, Nonlinear Optical Properties of Materials, (4 January 1990); doi: 10.1117/12.962138
Show Author Affiliations
Koichi Sayano, California Institute of Technology (United States)
Amnon Yariv, California Institute of Technology (United States)
Ratnakar R. Neurgaonkar, Rockwell International Science Center (United States)

Published in SPIE Proceedings Vol. 1148:
Nonlinear Optical Properties of Materials
Howard R. Schlossberg; Raymond V. Wick, Editor(s)

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