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Proceedings Paper

Linear and nonlinear optical properties of poly(p-phenylenevinylene)-poly(N-vinylpyrrolidone) (PPV-PVP) composites
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Paper Abstract

We show that the chemical and physical environment used to synthesise and process poly(p-phenylenevinylene) (PPV) by the soluble precursor route in the matrix of poly(N-vinylpyrrolidone) (PVP) has a remarkable effect on the effective conjugation length of the resulting polymer, which directly affects the third order nonlinearity. A peculiar bathochromic shift of the position of the PPV absorption maximum, an increase of absorption coefficients and the anisotropy of refractive indices upon conversion have been observed. A large third-order optical nonlinearity (In2I>lO cm2/W) at 800 nm can be achieved in the composites. The nonlinearity of the composites depends on the PPV content and the conversion conditions. The PPV-PVP system is interesting from the point of view of its good waveguiding properties in the thin film planar waveguide structures.

Paper Details

Date Published: 13 October 1997
PDF: 12 pages
Proc. SPIE 3147, Nonlinear Optical Properties of Organic Materials X, (13 October 1997); doi: 10.1117/12.279309
Show Author Affiliations
Anna Samoc, Australian National Univ. (Australia)
Marek Samoc, Australian National Univ. (Australia)
Barry Luther-Davies, Australian National Univ. (Australia)

Published in SPIE Proceedings Vol. 3147:
Nonlinear Optical Properties of Organic Materials X
Mark G. Kuzyk, Editor(s)

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