Direct observation of orientation limit in a fast photorefractive polymer composite

J. A. Herlocker; K. B. Ferrio; E. Hendrickx; B. D. Guenther; S. Mery; B. Kippelen; N. Peyghambarian

doi:10.1063/1.123816

Direct observation of orientation limit in a fast photorefractive polymer composite

J. A. Herlocker, K. B. Ferrio, E. Hendrickx, B. D. Guenther, S. Mery, B. Kippelen, N. Peyghambarian

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98 Scopus citations

Abstract

The photorefractivity and chromophore orientation in polymer composites were studied. The composites were made from poly-N-vinylcarbazole, N-ethylcarbazole, and (2,4,7-trinitro-9-fluorenylidene)malonodinitrile with a fluorinated cyano-tolane chromophore. The transient photorefractive response in four-wave mixing (FWM) and two-beam coupling (TBC) was measured. Transient FWM revealed a photorefractive response dominated by a fast time constant of 4 ms, while transient ellipsometry revealed an orientational response of only 490 μs.

Original language	English (US)
Pages (from-to)	2253-2255
Number of pages	3
Journal	Applied Physics Letters
Volume	74
Issue number	16
DOIs	https://doi.org/10.1063/1.123816
State	Published - Apr 19 1999

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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abstract = "The photorefractivity and chromophore orientation in polymer composites were studied. The composites were made from poly-N-vinylcarbazole, N-ethylcarbazole, and (2,4,7-trinitro-9-fluorenylidene)malonodinitrile with a fluorinated cyano-tolane chromophore. The transient photorefractive response in four-wave mixing (FWM) and two-beam coupling (TBC) was measured. Transient FWM revealed a photorefractive response dominated by a fast time constant of 4 ms, while transient ellipsometry revealed an orientational response of only 490 μs.",

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AU - Herlocker, J. A.

AU - Ferrio, K. B.

AU - Hendrickx, E.

AU - Guenther, B. D.

AU - Mery, S.

AU - Kippelen, B.

AU - Peyghambarian, N.

PY - 1999/4/19

Y1 - 1999/4/19

N2 - The photorefractivity and chromophore orientation in polymer composites were studied. The composites were made from poly-N-vinylcarbazole, N-ethylcarbazole, and (2,4,7-trinitro-9-fluorenylidene)malonodinitrile with a fluorinated cyano-tolane chromophore. The transient photorefractive response in four-wave mixing (FWM) and two-beam coupling (TBC) was measured. Transient FWM revealed a photorefractive response dominated by a fast time constant of 4 ms, while transient ellipsometry revealed an orientational response of only 490 μs.

AB - The photorefractivity and chromophore orientation in polymer composites were studied. The composites were made from poly-N-vinylcarbazole, N-ethylcarbazole, and (2,4,7-trinitro-9-fluorenylidene)malonodinitrile with a fluorinated cyano-tolane chromophore. The transient photorefractive response in four-wave mixing (FWM) and two-beam coupling (TBC) was measured. Transient FWM revealed a photorefractive response dominated by a fast time constant of 4 ms, while transient ellipsometry revealed an orientational response of only 490 μs.

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Direct observation of orientation limit in a fast photorefractive polymer composite

Abstract

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