Novel calixarenes in thin films for efficient second harmonic generation


Heesink, G.J.T. and Hulst, N.F. van and Bölger, B. and Kelderman, E. and Engbersen, J.F.J. and Verboom, W. and Reinhoudt, D.N. (1993) Novel calixarenes in thin films for efficient second harmonic generation. Applied physics letters, 62 (17). pp. 2015-2017. ISSN 0003-6951

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Abstract:Calix[4]arenes are a novel type of molecules for nonlinear optics. In a single molecule four pi-conjugated systems are combined. Corona poled guest-host polymer systems [calix[4]arenes-poly(methyl-methacrylate)] with transparency into the UV and loading up to 100% show a high degree of orientation. The maximum resonant d33 nonlinear coefficient measured at a fundamental wavelength of 590 nm is 51 pm/V. The d33 values of the thin films relax after poling to 65% of their maximum value. Results indicate self-organization of the molecules upon poling.
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Copyright:© 1993 American Institute of Physics
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Metis ID: 129396