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Polarization Stop Bands in Chiral Polymeric Three-Dimensional Photonic Crystals

Polarization Stop Bands in Chiral Polymeric Three-Dimensional Photonic Crystals
Autor: M. Thiel, M. Decker, M. Deubel, M. Wegener, S. Linden, and G. von Freymann Links:
Quelle: Adv. Mater. 19, 207 (2007)
Datum: 3.1.2007

Abstract:

High-quality polymeric 3D spiral photonic crystals are fabricated via direct laser writing. Polarization stop bands for circularly polarized light are observed, leading to 5 % transmittance for the circular light polarization, which matches the handedness of the helix, and 95 % for the other polarization (see figure). The experimental results are in good agreement with theoretical calculations.