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Charge transport and chromophore orientation in a new photorefractive polymer composite with response-time in the millisecond-regime
By: Ferrio, K.B.; Mery, S.; Kippelen, B.; Peyghambarian, N.; Guenther, B.D.; Hendrickx, E.; Herlocker, J.A.;
1999 / IEEE / 1-55752-595-1
This item was taken from the IEEE Conference ' Charge transport and chromophore orientation in a new photorefractive polymer composite with response-time in the millisecond-regime ' Summary form only given. Since the first observation of photorefractivity in a polymer composite, applications to information-processing and dynamic holography have spurred rapid development. A critical step was the realization that index-modulation is enhanced by reorientation of birefringent chromophores in composites with low glass-transition temperatures, T/sub g/. Now attention has turned to understanding and improving response-times. A composite with a 4-ms component has been reported recently, with persuasive evidence that photoconductivity limits speed. We report an even faster 1.8-ms component in a very different composite a fluorinated cyanotolane chromophore.
Photorefractive Polymer Composite
Birefringent Chromophores Reorientation
Low Glass-transition Temperatures
Fluorinated Cyanotolane Chromophore