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Degenerate four-wave mixing experiments on polyacene quinones

โœ Scribed by S.R. Flom; G.C. Walker; L.E. Lynch; L.L. Miller; P.F. Barbara

Publisher
Elsevier Science
Year
1989
Tongue
English
Weight
505 KB
Volume
154
Category
Article
ISSN
0009-2614

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โœฆ Synopsis

Three representative polyacene quinones doped in thin polymer films have been studied by degenerate four-wave mixing to elucidate the dominant factors in the third-order nonlinear optical effects of these compounds. The experiments have been made near or on resonance at 532 nm. The nonlinear effects of these materials are found to be of electronic origin with rapid response times. The third-order nonlinear optical coefftcients are not simply correlated with the delocalization length of the compounds as expected from simple theory.

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