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Two-photon Properties of Novel Diaminomaleonitrile Derivative Having Carboxylate Ester
T. Iwata, N. Konso, K, Totani and T. Watanabe

In this paper, we have investigated the synthesis and characterization of novel D-p-A-p-D type chromophore. We succeeded in synthesis of novel D-p-A-p-D type (Compd. 4) in which terminal group was substituted by carboxylate ester.Two photon absorption cross section d was found to be 672 GM at 810 nm. Optical properties of Compd. 1-4 are discussed.

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