Developing photorefractive glass composites

Jason P. Duignan; Lesley L. Taylor; Gary Cook

doi:10.1117/12.452722

16 January 2002 Developing photorefractive glass composites

Jason P. Duignan, Lesley L. Taylor, Gary Cook

Proceedings Volume 4462, Nonlinear Optical Transmission Processes and Organic Photorefractive Materials; (2002) https://doi.org/10.1117/12.452722
Event: International Symposium on Optical Science and Technology, 2001, San Diego, CA, United States

Abstract

The production of a transparent photorefractive glass composite would offer a useful alternative to bulk crystal materials. We aim to produce such a material by incorporating single domain photorefractive Fe:LiNbO₃ particles into a refractive index matched glass host. This glass host is also required to be chemically compatible with the photorefractive material. This compatibility will ensure that the Fe:LiNbO₃ particles added to the host glass will remain in the intended crystalline phase and not simply dissolve in the glass. Due to the high refractive index of the Fe:LiNbO₃ (n_o equals 2.35 532 nm), producing a chemically compatible and refractive index matched glass host is technically challenging. By examining common Tellurite, Bismuthate, and Gallate glasses as a starting point and then developing new and hybrid glasses, we have succeeded in producing a chemically compatible glass host and also a refractive index matched glass host. We have produced preliminary glass composite samples which contain a large amount of Fe:LiNbO₃. We are currently able to retain nearly 90% of the incorporated Fe:LiNbO₃ in the correct crystalline phase, a substantial improvement over previous work conducted in this area in recent years. In this paper we present our progress and findings in this area.

Citation Download Citation

Jason P. Duignan, Lesley L. Taylor, and Gary Cook "Developing photorefractive glass composites", Proc. SPIE 4462, Nonlinear Optical Transmission Processes and Organic Photorefractive Materials, (16 January 2002); https://doi.org/10.1117/12.452722

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