Direction-selective optical transmission of 3D fcc photonic crystals in the microwave regime

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Abstract

Three-dimensional (3D) photonic crystal exhibit direction-selective transmission with respect to the center frequency of the stop gap. As a model system, the stop gap of a 3D fcc inverted-opal photonic crystal is studied in the microwave regime in detail using 3D polyamide models. The difference in the direction-selective transmittance between crystals grown in two different high symmetry directions is experimentally shown and compared to numerical simulations.

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Acknowledgements

We gratefully acknowledge financial support by the German Ministry of Research and Education(Nanovolt, 03SF0322A). We are grateful for valuable discussions with V. Eikel and all of our colleagues.

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