11 October 1999 Systematic study on the optimization of the first hyperpolarizabilities of methine dyes
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Abstract
Machine dyes are frequently used as nonlinear optical (NLO) chromophores. In the case of our dyes, both, the substitution of the methine proton by a cyano group and the substitution of the methine carbon by nitrogen, lead to a strong bathochromic shift. In this work the influence of these modifications to the first hyperpolarizability is systematically investigated.
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Christian Ritzel, Elmar Schmaelzlin, Christoph R. Braeuchle, Klaus Meerholz, Alexander Roessler, Christian Ernst, Juergen Wichern, Peter Boldt, "Systematic study on the optimization of the first hyperpolarizabilities of methine dyes", Proc. SPIE 3796, Organic Nonlinear Optical Materials, (11 October 1999); doi: 10.1117/12.368276; https://doi.org/10.1117/12.368276
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