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Birefringent reflectarray metasurface for beam engineering in infrared |
Optics Letters, Vol. 38, Issue 4, pp. 462-464 (2013)
http://dx.doi.org/10.1364/OL.38.000462
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Abstract
An infrared reflectarray metasurface with engineered birefringent behavior is demonstrated. The array reradiates incoming light into two orthogonal, linearly polarized reflections. The reflectarray is composed of rectangular metallic patch nanoantennas placed on top of a grounded dielectric stand-off layer. The patches are designed to locally manipulate the phase front of the incoming wave. They tailor the reflection phase to transform the phase front on the surface to the one desired for both orthogonal polarizations at the same time. The proposed nanoantenna metasurface can find applications in many optical devices, such as birefringent modulators, waveplates, polarizers, and splitters.
© 2013 Optical Society of America
OCIS Codes
(260.1440) Physical optics : Birefringence
(160.3918) Materials : Metamaterials
(240.5440) Optics at surfaces : Polarization-selective devices
ToC Category:
Diffraction and Gratings
History
Original Manuscript: November 8, 2012
Manuscript Accepted: January 4, 2013
Published: February 8, 2013
Citation
Mohsen Farmahini-Farahani and Hossein Mosallaei, "Birefringent reflectarray metasurface for beam engineering in infrared," Opt. Lett. 38, 462-464 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-4-462
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