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1. Investigation of the polarization-dependent diffraction of deep dielectric rectangular transmission gratings illuminated in Littrow mounting

Author

Clausnitzer, Tina, Kampfe, Thomas, Kley, Ernst-Bernhard, Tunnermann, AndreasTishchenko, Alexandre, and Parriaux, Olivier

Subjects
Polarization (Light) -- Research, Diffraction gratings -- Research, Dielectric devices -- Optical properties, Astronomy, Physics
Abstract

Dielectric transmission gratings with a similar period as the wavelength of the incident light can exhibit strong polarization dependence. By optimizing the groove width of a negative first-order Littrow transmission grating it can be achieved that light is transmitted to the zeroth order for one polarization, regardless of the groove depth, while it is efficiently diffracted for the other polarization. An investigation of this remarkable effect, based on a modal field representation inside the grating, as well as experimental results are presented. OCIS codes: 050.0050, 050.1950, 230.5440.

Published
2007

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