Three-dimensional chiral photonic crystals by direct laser writing

Michael Thiel; Martin Wegener; Georg von Freymann

doi:10.1117/12.762575

6 February 2008 Three-dimensional chiral photonic crystals by direct laser writing

Michael Thiel, Martin Wegener, Georg von Freymann

Proceedings Volume 6883, Advanced Fabrication Technologies for Micro/Nano Optics and Photonics; 68830K (2008) https://doi.org/10.1117/12.762575
Event: MOEMS-MEMS 2008 Micro and Nanofabrication, 2008, San Jose, California, United States

Abstract

We review our recent work on three-dimensional chiral photonic crystals. High-quality polymeric three-dimensional spiral and layer-by-layer photonic crystals are fabricated via direct laser writing. Polarization stop bands for circularly polarized light are observed, leading up to a suppression of a factor 52 for one circular polarization with respect to the other. The transmittance for the passing polarization is as high as 95 % . These chiral elements are sandwiched between one-dimensional lamellae structures acting as quarterwave plates to form thin-film polarizers, which can be operated under perpendicular incidence.

Citation Download Citation

Michael Thiel, Martin Wegener, and Georg von Freymann "Three-dimensional chiral photonic crystals by direct laser writing", Proc. SPIE 6883, Advanced Fabrication Technologies for Micro/Nano Optics and Photonics, 68830K (6 February 2008); https://doi.org/10.1117/12.762575

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