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Proceedings Paper

Preparation of a copolymer for second-order nonlinear optics
Author(s): Ana Maria Albu; Bogdan Marculescu; Doina Manaila-Maximean; Alain Trouillet
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Paper Abstract

During the last decade the interest in polymeric material for second-order nonlinear optical properties has been constantly growing. They combine structural electronic properties, with good thermal and mechanical stability, a relatively low cost and easy processability. The second order nonlinear optical (NLO) properties of such materials have electronic origin, with an ultra-fast response time. In the present paper, we report the preparation and characterization of a new material with a higher concentration of a NLO chromophore. We have synthesized a new dye monomer by the phase transfer catalyzed reaction. We have prepared the copolymer with styrene, by bulk copolymerization; the initiator was di-t-butyl peroxide at 120 degrees C. We have characterized the monomer and the copolymer by IR; UV-Vis; H-NMR spectroscopy. The glass transition temperature and the melting point have been obtained using the differential scanning calorimetry. For studying the NLO properties, the samples have been poled by the Corona poling method, in an electric field of approximately 100V/micrometers . We have appreciated the second- order nonlinear coefficient by comparing the light signal passing through the sample, with the signal passing through a standard quartz plate.

Paper Details

Date Published: 23 February 2000
PDF: 6 pages
Proc. SPIE 4068, SIOEL '99: Sixth Symposium on Optoelectronics, (23 February 2000); doi: 10.1117/12.378725
Show Author Affiliations
Ana Maria Albu, Univ. Politehnica Bucharest (Romania)
Bogdan Marculescu, Univ. Politehnica Bucharest (Romania)
Doina Manaila-Maximean, Univ. Politehnica Bucharest (Romania)
Alain Trouillet, Univ. Jean Monnet/Saint Etienne (France)

Published in SPIE Proceedings Vol. 4068:
SIOEL '99: Sixth Symposium on Optoelectronics

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