29 October 1998 Second-order nonlinear optical properties of thiopheno-quinoid dipolar structures
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The second order nonlinear optical response of two dipolar thiopheno-quinoid chromophores are calculated using extensive single and double-excitation configuration interaction. The (beta) values are found to be comparable in magnitude to those for the pheno-quinoid systems. The sign of the nonlinear response is, however, found to be positive in these systems, in contrast to the second-order nonlinear optical response of pheno-quinoid structures which are known to be negative.
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O. Zamani-Khamiri, O. Zamani-Khamiri, A. Panakal, A. Panakal, Yongming Cai, Yongming Cai, Anthony F. Garito, Anthony F. Garito, } "Second-order nonlinear optical properties of thiopheno-quinoid dipolar structures", Proc. SPIE 3474, Second-Order Organic Nonlinear Optics, (29 October 1998); doi: 10.1117/12.328572; https://doi.org/10.1117/12.328572

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