5 October 1995 New developments in thermally stable second order nonlinear optical chromophores and electro-optic polymers
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Abstract
A new class of thermally and chemically stable donor-acceptor substituted thiophenes is presented. It is shown that exceptionally large electro-optic activity (as high as 30 pm/V at 1.3 micrometers ) can be achieved by doping/covalently bonding highly efficient trycyanovinylthiophenes into high temperature polymers such as polymidies and polyquinolines. Monitoring the long-term stability of electro-optic activity at temperatures above 100 degrees C has revealed that the covalent bonding approach is quite superior to the guest-host approach in polymide as well as polyquinoline based materials.
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Varanasi Pushkara Rao, Alex K.Y. Jen, Yongming Cai, "New developments in thermally stable second order nonlinear optical chromophores and electro-optic polymers", Proc. SPIE 2527, Nonlinear Optical Properties of Organic Materials VIII, (5 October 1995); doi: 10.1117/12.222821; https://doi.org/10.1117/12.222821
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