Novel calixarenes in thin films for efficient second harmonic generation
- 26 April 1993
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 62 (17) , 2015-2017
- https://doi.org/10.1063/1.109520
Abstract
Calix[4]arenes are a novel type of molecules for nonlinear optics. In a single molecule four π‐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.Keywords
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