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JOURNAL OF THE EUROPEAN OPTICAL SOCIETY: RAPID PUBLICATIONS 1, 1 (2006) 06029
Polarization insensitive blazed diffraction gratings
Nicolas Bonod 1, E. Popov 1, Stefan Enoch 1, J. Neauport 2
For the CEA CESTA collaboration(s)
(2006-12-13)

Gratings insensitive to light polarization may be useful in many areas of optical engineering, particularly in light demultiplexing application. We study different kinds of binary gratings able to present reflected efficiencies higher than 98% in the –1st order. These are metallic gratings, dielectric gratings deposited on a metallic substrate, total internal reflection gratings and gratings lying on a dielectric multilayer. We study each configuration with respect to manufacturing constraints and optical performances to conclude by providing the most suitable design.
1:  Institut FRESNEL (IF)
CNRS : UMR6133 – Université de Provence - Aix-Marseille I – Université Paul Cézanne - Aix-Marseille III – Ecole Centrale de Marseille
2:  Centre d'études scientifiques et techniques d'Aquitaine (CESTA)
CEA : DAM/CESTA
Engineering Sciences/Optics / Photonic
Diffraction gratings – light demultiplexing – photonic crystals – polarization insensitive device
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