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1 November 1996 Conjugation in three dimensions to enhance NLO susceptibilities
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We show, using AMPAC (Semichem, Inc.) AMI calculations of extended cyclophane structures that the third order polarization displays significant large magnitude negative Finite-Field (gamma) (0)s. Magnitudes as large as -85,000 X 10-36 esu are calculated. Anticipated significant linear loss issues are not addressed, though no effort has yet been made to optimize ether for maximum magnitude (gamma) or minimum magnitude linear loss structure. It is expected that such a systematic theoretical and experimental optimization of molecules should lead to materials possessing unprecedented magnitudes of (gamma) , and possibly with sufficiently low loss to be practical.
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Carl W. Dirk and Ou Xie "Conjugation in three dimensions to enhance NLO susceptibilities", Proc. SPIE 2852, Nonlinear Optical Properties of Organic Materials IX, (1 November 1996);

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