Study on holographic storage thermal fixing of Ce:Fe:LiNbO3 crystal

Yuxiang Zhou; Zhaopeng Xu; Caixia Liu; Rui Wang; Yuheng Xu

doi:10.1117/12.510546

9 April 2003 Study on holographic storage thermal fixing of Ce:Fe:LiNbO₃ crystal

Yuxiang Zhou, Zhaopeng Xu, Caixia Liu, Rui Wang, Yuheng Xu

Proceedings Volume 5060, Sixth International Symposium on Optical Storage (ISOS 2002); (2003) https://doi.org/10.1117/12.510546
Event: Sixth International Symposium on Optical Storage (ISOS 2002), 2002, Wuhan, China

Abstract

Ce:Fe:LiNbO₃ crystal co-doped with CeO₂ and Fe₂O₃ is grown by Czochralski method with Si-C bars as heaters. The exponential gain coefficient, diffraction efficiency and respond time of Ce:Fe:LiNbO₃ crystal are measured by two-wave-coupling technology. The results indicate that the exponential gain coefficient of Ce:Fe:LiNbO₃ is up to 22cm^-1 and the diffraction efficiency is 78% and the photorefractive effect is better than that of Fe:LiNbO₃ crystal. A thermal fixing experiment is carried on the Ce:Fe:LiNbO₃ crystal, which conditions are that the crystal is heated to 120°C, the activated energy and the developing efficiency of Ce:Fe:LiNbO₃ crystal are measured, and the decay time of a fixed grating is up to 110 years at the room temperature (20°C).

Citation Download Citation

Yuxiang Zhou, Zhaopeng Xu, Caixia Liu, Rui Wang, and Yuheng Xu "Study on holographic storage thermal fixing of Ce:Fe:LiNbO₃ crystal", Proc. SPIE 5060, Sixth International Symposium on Optical Storage (ISOS 2002), (9 April 2003); https://doi.org/10.1117/12.510546

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