Photorefractivity in polymer composites

Maciek E. Orczyk; Bogdan Swedek; Jaroslaw W. Zieba; Paras N. Prasad

doi:10.1117/12.187512

23 September 1994 Photorefractivity in polymer composites

Maciek E. Orczyk, Bogdan Swedek, Jaroslaw W. Zieba, Paras N. Prasad

Proceedings Volume 2285, Nonlinear Optical Properties of Organic Materials VII; (1994) https://doi.org/10.1117/12.187512
Event: SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, 1994, San Diego, CA, United States

Abstract

We report on the results of studies of photorefractive properties of a multicomponent polymer composite of PVK-TCP:C₆₀:DEANST. Efficient plasticization of the host polymeric matrix with the TCP agent and utilization of a nonlinear chromophore with large dipole moment allow for achieving large poling-induced electro-optic coefficient. Diffraction efficiencies exceeding 40% and stationary nonreciprocal net two-beam coupling gain coefficients in excess of 100 cm^-1, surpassing those of known inorganic single- crystalline photorefractive media, are reported. Dependency of the kinetics of photorefractivity in the composite on external electric field and writing beams fluencies is discussed. An example of holographic recording and retrieval of an image of the standard USAF optical resolution target is also demonstrated.

Citation Download Citation

Maciek E. Orczyk, Bogdan Swedek, Jaroslaw W. Zieba, and Paras N. Prasad "Photorefractivity in polymer composites", Proc. SPIE 2285, Nonlinear Optical Properties of Organic Materials VII, (23 September 1994); https://doi.org/10.1117/12.187512

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