Abstract
Refractive indices of new nonlinear optical materials based on 4-nitrophenol cocrystals with the aminopyridines 2-aminopyridine, 2,6-aminopyridine, and 4-aminopyridine have been studied. The refractive indices of the compounds under study are presented: n = 1.694 (optical microscopy) and 1.605 (Abbe method) for 2-aminopyridine-4-nitrophenol (2AP4N), n = 1.541 (optical microscopy) and 1.589 (Abbe method) for 2,6-diaminopyridine-4-nitrophenol (2,6DAP4N), and n = 1.561 (optical microscopy) and 1.591 (Abbe method) for 4-aminopyridine-4-nitrophenol (4AP4N).
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Original Russian Text © K.E. Zhevaikin, M.I. Fokina, I.Yu. Denisyuk, 2018, published in Optika i Spektroskopiya, 2018, Vol. 124, No. 2, pp. 232–234.
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Zhevaikin, K.E., Fokina, M.I. & Denisyuk, I.Y. Refractometric Parameters of Nonlinear Optical Molecular Cocrystals Based on the Aminopyridine Series. Opt. Spectrosc. 124, 227–229 (2018). https://doi.org/10.1134/S0030400X18020212
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DOI: https://doi.org/10.1134/S0030400X18020212