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Proceedings Paper

High-Tg nonlinear optical polymer: poly(N-MNA acrylamide)
Author(s): Warren N. Herman; Warren A. Rosen; L. H. Sperling; Charles J. Murphy; H. Jain
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Paper Abstract

Numerous studies have shown that the orientational decay rate of nonlinear optical (NLO) polymers increases as the glass transition temperature is approached. A high glass transition temperature is thus beneficial to long-term poling stability. Here we report on the synthesis and nonlinear optical properties of poly(N-MNA Acrylamide), which as a glass transition temperature of 205 degree(s)C. This side-chain polymer has the NLO organic molecule 2- methyl-4-nitroaniline (MNA) attached through a carbonyl group to an acrylic polymer backbone. Second harmonic Maker fringe measurements used to evaluate the second-order optical nonlinearity in corona-poled thin films resulted in a second harmonic coefficient d33 approximately equals 3 pm/V at 1064 nm. Thin films were quite transparent with an absorption maximum for poled samples occurring near approximately 320 nm.

Paper Details

Date Published: 1 December 1991
PDF: 8 pages
Proc. SPIE 1560, Nonlinear Optical Properties of Organic Materials IV, (1 December 1991); doi: 10.1117/12.50718
Show Author Affiliations
Warren N. Herman, Naval Air Development Ctr. (United States)
Warren A. Rosen, Naval Air Development Ctr. (United States)
L. H. Sperling, Lehigh Univ. (United States)
Charles J. Murphy, Stroudsberg Univ. of Pennsylvania (United States)
H. Jain, Lehigh Univ. (United States)

Published in SPIE Proceedings Vol. 1560:
Nonlinear Optical Properties of Organic Materials IV
Kenneth D. Singer, Editor(s)

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