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Optical Sciences
P.O. Box 217
7500 AE Enschede
The Netherlands
E-mail:
Phone: +31 53 489 3805
Fax: +31 53 489 3511



Biomolecules and nanostructuresThe Optical Sciences group studies the interaction of light and matter at the nanoscale.
We do this by exploring ways to shape light and its environment. It's what we call
active and passive control. Our current focus is on the interaction of light with
biomolecules and nanostructures. We are part of Twente
University's Department of Science and Technology and member of the
MESA+ institute. |
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Second-order nonlinear optical active calix[4]arene polyimides suitable for frequency doubling in the UV regionKenis PJA, Noordman OFJ, vanHulst NF, Engbersen JFJ, Reinhoudt DN, Hams BHM, vanderVorst CPJM CHEMISTRY OF MATERIALS vol 9 issue 2: p596-p601 FEB 1997 A new type of soluble calix[4]arene-based polyimides was prepared by reaction of bis(3-aminopropyl) dipropyl functionalized tetranitrocalix[4]arenes with hexafluoroisopropylidene diphthalic anhydride. Spin-coating of these polymers and subsequent electric field poling results in films that are highly transparent above 410 nm and exhibit high and thermally stable second harmonic generation coefficients. These properties make these materials very suitable Ear frequency-doubling applications in the UV region (820-410 nm). |