Third-order nonlinear optical characterization of side-chain copolymers

Robert A. Norwood; James R. Sounik; J. Popolo; Douglas P. Holcomb

doi:10.1117/12.50705

1 December 1991 Third-order nonlinear optical characterization of side-chain copolymers

Robert A. Norwood, James R. Sounik, J. Popolo, Douglas P. Holcomb

Proceedings Volume 1560, Nonlinear Optical Properties of Organic Materials IV; (1991) https://doi.org/10.1117/12.50705
Event: San Diego, '91, 1991, San Diego, CA, United States

Abstract

Third order nonlinear optical properties of side-chain methacrylate copolymers incorporating 4-amino-4'-nitrostilbene, 4-oxy-4'nitrostilbene, and functionalized silicon phthalocyanine chromophores are measured by picosecond degenerate four wave mixing at 598 nm. The nonresonant stilbene system exhibits a pulse limited ultrafast response, while the resonant phthalocyanine system has a large excited state nonlinearity. Comparison of silicon phthalocyanine copolymers with solubilized guest/host systems dispersed in polymethylmethacrylate illustrate the importance of aggregation and phthalocyanine ring interaction in determining the linear optical properties and the magnitude and speed of the nonlinear optical response.

Citation Download Citation

Robert A. Norwood, James R. Sounik, J. Popolo, and Douglas P. Holcomb "Third-order nonlinear optical characterization of side-chain copolymers", Proc. SPIE 1560, Nonlinear Optical Properties of Organic Materials IV, (1 December 1991); https://doi.org/10.1117/12.50705

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