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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/50812

    Title: Two-photon absorption and effective broadband optical power limiting properties of a multi-branched chromophore containing 2,3-diarylquinoxalinyl moieties as the electron-pulling units
    Authors: Lin,TC;Huang,YJ;Chen,YF;Hu,CL
    Contributors: 化學學系
    Date: 2010
    Issue Date: 2012-03-27 18:10:34 (UTC+8)
    Publisher: 國立中央大學
    Abstract: A novel multi-branched chrornopliore containing 2.3-diarrylquinoxalinyl units as the electron-acceptors had been synthesized and its nonlinear optical properties were characterized in the femtosecond and nanosecond regime The experimental results show that the Studied fluorophore possesses strong and wide-dispersed two-photon absorption in near Infrared (NIR) region It is demonstrated that the incorporation of '23-diisubstituted quinoxaline moieties as a part of pi-conjugation in a dye molecule could be a useful approach toward large molecular two-photon absoptivities within the studied spectral region Effective optical-power-attenuation behaviors in the nanosecond time domain of this compound were also investigated and the results indicate that such dye molecule can be a potential material as a broadband and quick-responsive optical limiter especially when against those laser lights with longer pulses (C) 2009 Elsevier Ltd All rights reserved
    Relation: TETRAHEDRON
    Appears in Collections:[化學學系] 期刊論文

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