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Proceedings Paper

Alternating polyanion/polycation second-order nonlinear optical films by aqueous solution deposition
Author(s): M. Joseph Roberts; John D. Stenger-Smith; Peter Zarras; Geoffrey A. Lindsay; Richard A. Hollins; Andrew P. Chafin; Rena Y. Yee; Kenneth J. Wynne
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Paper Abstract

Alternating polyelectrolyte deposition (APD) in aqueous solutions may be used to process nonlinear optical polymers (NLOPs) into noncentrosymmetric ordered films at ambient temperature. Second-order NLOP films were prepared by alternately dipping a substrate into aqueous solutions of a polycation and a polyanion. Polyepichlorohydrin substituted with stilbazolium side-chain chromophore was used as the cationic NLOP. The inactive polyanion was polystyrene sulfonate. Uniform layer to layer deposition is observed as evidenced by a linear increase of UV-Visible absorbance and quadratic increase of second harmonic generated light intensity as a function of film thickness. Films have been uniformly deposited up to 24 bilayers. Films have been further characterized by contact angle measurements, interferometry, and polarized light microscopy. Work is in progress to deposit thicker films of the same quality and to quantify NLO figures of merit.

Paper Details

Date Published: 17 April 1998
PDF: 6 pages
Proc. SPIE 3281, Polymer Photonic Devices, (17 April 1998); doi: 10.1117/12.305412
Show Author Affiliations
M. Joseph Roberts, Naval Air Weapons Ctr. (United States)
John D. Stenger-Smith, Naval Air Weapons Ctr. (United States)
Peter Zarras, Naval Air Weapons Ctr. (United States)
Geoffrey A. Lindsay, Naval Air Weapons Ctr. (United States)
Richard A. Hollins, Naval Air Weapons Ctr. (United States)
Andrew P. Chafin, Naval Air Weapons Ctr. (United States)
Rena Y. Yee, Naval Air Weapons Ctr. (United States)
Kenneth J. Wynne, Office of Naval Research (United States)

Published in SPIE Proceedings Vol. 3281:
Polymer Photonic Devices
Bernard Kippelen; Donal D. C. Bradley, Editor(s)

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