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Conferences > OTFA > 1995 > PD > PD4

Third Harmonic Dispersion Studies of Centrosymmetric and Noncentrosymmetric Squaraines

James H. Andrews, John D. V. Khaydarov, Kenneth D. Singer, Diana L. Hull, and Kathy C. Chuang

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Abstract

Third harmonic dispersion was measured in centrosymmetric and noncentrosymmetric squaraine molecular solutions. A large contribution to the third order nonlinearity from the 1Bu to 2Ag state was revealed. Contributions from ground and excited state dipole moments in ostensibly centrosymmetric and noncentrosymmetric dyes were observed.

© 1995 Optical Society of America

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