Photorefractive Properties Of CR-Doped Single Crystal Strontium Barium Niobate

Koichi Sayano; Amnon Yariv; Ratnakar R. Neurgaonkar

doi:10.1117/12.962138

4 January 1990 Photorefractive Properties Of CR-Doped Single Crystal Strontium Barium Niobate

Koichi Sayano, Amnon Yariv, Ratnakar R. Neurgaonkar

Proceedings Volume 1148, Nonlinear Optical Properties of Materials; (1990) https://doi.org/10.1117/12.962138
Event: 33rd Annual Technical Symposium, 1989, San Diego, United States

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.

Citation Download Citation

Koichi Sayano, Amnon Yariv, and Ratnakar R. Neurgaonkar "Photorefractive Properties Of CR-Doped Single Crystal Strontium Barium Niobate", Proc. SPIE 1148, Nonlinear Optical Properties of Materials, (4 January 1990); https://doi.org/10.1117/12.962138

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