Photorefractive devices/materials

LiNbOj is a widely used ferroelectric crystal with various applications in the nonlinear optics and integrated optics (10). Another attractive material for 10 devices is LiTaOs. Its electrooptic (EO) and nonlinear (NL) coefficients are comparable to those of LiNbOj, and its photorefractive damage threshold is more than an order of magnitude higher than that of LiNbOj in the visible range. 

Godefroy, G. Ormancey, G. Jullien, P. Lompre, P. Ousi, W. Semanou, Y. In Digest of Topical Meeting on Photorefractive Materials, Effects, and Devices Optical Society of America Washington, DC, 1988 p. 159. 

In addition to their use as photoreceptors, these materials are of interest for a wide range of other electronic applications. Of these, electroluminescent, photorefractive, photovoltaic, and transistor devices are the most commonly... 

D. Day, M. Gu, and A. Smallridge, Two-Photon Optical Storage in Photorefractive Polymers in the Near-Infrared Spectral Range. In Infrared Holography for Optical Communications, Techniques, Materials, and Devices, Vol. 86 P. Boffi, D. Piccini, and M. C. Ubaldi, Eds., Springer-Verlag, Berlin, 2003, p. 75. 

A photorefractive material for a three dimensional bit optical data storage device in the near infrared range consists of either PVK or PMMA as matrix with DMNPAA and TNF and V-ethylcarbazole (ECZ) in various amounts. " ... 

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