1 November 1996 Extended accordion polymers for optical modulation
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Abstract
Progress on second-order nonlinear optical polymers for high speed optical signal modulation is reported. New accordion polymers containing head-to-head backbone chromophores extended with a styryl-thienyl-vinyl linkage are described. The maximum absorption of the electronic transition (ground state yields excited state) for these polymers occurs at a wavelength of 494 nm. A corona-poled film of the ortho-xylyl bridged accordion polymer has a resonance-enhanced second- order nonlinear optical coefficient of 120 pm/V measured at 1.06 microns, and a glass transition temperature of about 187 degree(s)C. Along with linear polymer, polar cyclic dimers were formed during the polymerization. An extraction process was developed to remove the cyclic dimers from the polymer.
© (1996) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Geoffrey A. Lindsay, Geoffrey A. Lindsay, Andrew P. Chafin, Andrew P. Chafin, Richard A. Hollins, Richard A. Hollins, L. H. Merwin, L. H. Merwin, John D. Stenger-Smith, John D. Stenger-Smith, Rena Y. Yee, Rena Y. Yee, Eric G. Nickel, Eric G. Nickel, Warren N. Herman, Warren N. Herman, } "Extended accordion polymers for optical modulation", Proc. SPIE 2852, Nonlinear Optical Properties of Organic Materials IX, (1 November 1996); doi: 10.1117/12.256186; https://doi.org/10.1117/12.256186
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