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Conferences > NLO > 2002 > ThC > ThC6

One- and two-photon induced change of third order nonlinearity in phenylamine azo-dye polymer thin films

Chia Chen Hsu, Victor M. Churikov, Jiann T'suen Lin, Hui Hsien Wu, Jian Hung Lin, and Tzer-Hsing Huang

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Abstract

One- and two-photon excitations are used to induce molecular conformation change and reorientation in phenylamine azo-dye polymer thin films with photoisomerization effect. One-and two-photon optical pumping produces large reversible anisotropic third harmonic generation variation in different polarization directions.

© 2002 Optical Society of America

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