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Proceedings Paper

Nonlinear optical response in side-chain liquid crystal polymers
Author(s): Dominique Gonin; Gregory Gadret; Claudine Noel; Francois Kajzar
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Paper Abstract

Nonlinear optical response of copolymers bearing pendant active mesogenic units have been studied. The A and C polymers are nematic and smectic A, respectively, while the B and D polymers resemble typical amorphous polymers. Spin-coated films have been activated using the corona poling technique. From the optical absorption spectra, order parameters in the range 0.4 - 0.6 have been determined. The rather large values obtained for the B and D polymers suggest that an isotropic/nematic transition occurs during poling. Second harmonic generation measurements relative to quartz have been performed to determine the values of second order coefficients d33 and d31.

Paper Details

Date Published: 16 December 1993
PDF: 8 pages
Proc. SPIE 2025, Nonlinear Optical Properties of Organic Materials VI, (16 December 1993); doi: 10.1117/12.165249
Show Author Affiliations
Dominique Gonin, Lab. de Physicochimie Structurale et Macromoleculaire (France)
Gregory Gadret, Ctr. d'Etudes Nucleaires de Saclay (France)
Claudine Noel, Lab. de Physicochimie Structurale et Macromoleculaire (France)
Francois Kajzar, Ctr. d'Etudes Nucleaires de Saclay (France)


Published in SPIE Proceedings Vol. 2025:
Nonlinear Optical Properties of Organic Materials VI
Gustaaf R. Moehlmann, Editor(s)

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