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Proceedings Paper

High Q polarization independent guided mode resonance filters with doubly periodic etched Ta2O5 bi-dimensional grating
Author(s): Anne-Laure Fehrembach; Fabien Lemarchand; Anne Talneau; Anne Sentenac
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Paper Abstract

We explain how to design a high Q, polarization independent, angularly tolerant filter, with a "doubly periodic" resonant grating etched in a high index material. Thanks to its broad angular acceptance, the fabricated component shows a Q factor of 5600 with a 580μm diameter Gaussian beam. Performing a detailed theoretical and experimental comparative study, we identify the parameters responsible for the degradation of the performances of the filter.

Paper Details

Date Published: 14 May 2010
PDF: 7 pages
Proc. SPIE 7717, Optical Modelling and Design, 771702 (14 May 2010); doi: 10.1117/12.854884
Show Author Affiliations
Anne-Laure Fehrembach, Institut Fresnel, CNRS, Aix-Marseille Univ. (France)
Fabien Lemarchand, Institut Fresnel, CNRS, Aix-Marseille Univ. (France)
Anne Talneau, Lab. de Photonique et de Nanostructures, CNRS (France)
Anne Sentenac, Institut Fresnel, CNRS, Aix-Marseille Univ. (France)

Published in SPIE Proceedings Vol. 7717:
Optical Modelling and Design
Frank Wyrowski; John T. Sheridan; Jani Tervo; Youri Meuret, Editor(s)

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