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Proceedings Paper

Photocrosslinking and SHG stability of PDRMA/PDRFC thin films
Author(s): Shahin Maaref; Zeina M. Roz; Sam-Shajing Sun; Kang Seo; Carl E. Bonner Jr.; Richard R. Barto; Curtis W. Frank
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Paper Abstract

A series of functional and photo-crosslinkable maleate or fumarate type polyesters containing azo-type NLO chromophores were studied. The result demonstrated this is a versatile and convenient method of fabricating crosslinked supramolecular ultra-structure polymer thin films for potential nonlinear optical (NLO) and other photonic applications. The unsaturated PDRMA/PDRFC polyester thin films are capable of crosslinking in air via photo polymerization to form a hardened lattice. A ratio of 1:1 of crosslinker double bonds to polyester double bonds was preferred for optimal crosslinking. Thermal stability of Second Harmonic Generation (SHG) signals for a photo crosslinked polymer thin film reached to about 150°C. Films from photo crosslinking of fumarate or maleate vs. vinyl crosslinkers have the advantages of avoiding NH/OH groups and their vibrational overtones that absorb at telecommunication wavelength of 1550 nm.

Paper Details

Date Published: 18 December 2002
PDF: 9 pages
Proc. SPIE 4798, Linear and Nonlinear Optics of Organic Materials II, (18 December 2002); doi: 10.1117/12.451926
Show Author Affiliations
Shahin Maaref, Norfolk State Univ. (United States)
Zeina M. Roz, Norfolk State Univ. (United States)
Sam-Shajing Sun, Norfolk State Univ. (United States)
Kang Seo, Norfolk State Univ. (United States)
Carl E. Bonner Jr., Norfolk State Univ. (United States)
Richard R. Barto, Stanford Univ. (United States)
Curtis W. Frank, Stanford Univ. (United States)

Published in SPIE Proceedings Vol. 4798:
Linear and Nonlinear Optics of Organic Materials II
Manfred Eich; Mark G. Kuzyk, Editor(s)

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