Nonlinear Optical Response of Poly(p-Phenylenevinylene)
1998 ◽
Vol 07
(04)
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pp. 571-579
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Third order nonlinear optical properties of Poly(p-phenylenevinylene) have been investigated at 532 nm using degenerate four wave mixing and Z-scan techniques. Intensity dependent absorption has been attributed to photogenerated gap states arising from one-photon π–π* transition, and the coefficient of nonlinear absorption has been estimated. The observed intensity dependence of the degenerate four wave mixing signal has been explained using four-level model involving gap state transitions.
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1986 ◽
Vol 84
(12)
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pp. 7049-7050
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2002 ◽
Vol 204
(1-6)
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pp. 385-390
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