High-Tg nonlinear optical polymer: poly(N-MNA acrylamide)

Warren N. Herman; Warren A. Rosen; L. H. Sperling; Charles J. Murphy; H. Jain

doi:10.1117/12.50718

1 December 1991 High-T_g nonlinear optical polymer: poly(N-MNA acrylamide)

Warren N. Herman, Warren A. Rosen, L. H. Sperling, Charles J. Murphy, H. Jain

Proceedings Volume 1560, Nonlinear Optical Properties of Organic Materials IV; (1991) https://doi.org/10.1117/12.50718
Event: San Diego, '91, 1991, San Diego, CA, United States

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.

Citation Download Citation

Warren N. Herman, Warren A. Rosen, L. H. Sperling, Charles J. Murphy, and H. Jain "High-T_g nonlinear optical polymer: poly(N-MNA acrylamide)", Proc. SPIE 1560, Nonlinear Optical Properties of Organic Materials IV, (1 December 1991); https://doi.org/10.1117/12.50718

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