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Conference Paper
Quantum Electronics and Laser Science Conference
San Jose, California United States
May 6-11, 2012
ISBN: 978-1-55752-943-5
Engineered Plasmonic Surfaces (QF1D)

Plasmonic Antenna-Array for 2D Sub-Diffraction Focusing Beyond the Optical Near-Field

Yan Wang, Amr S. Helmy, and George V. Eleftheriades  »View Author Affiliations


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We propose an optical probe configuration capable of 2D sub-diffraction imaging at a large working distance at visible frequencies. The structure consists of a planar antenna-array that facilitates super-focusing due to “radiationless interference”.

© 2012 OSA

OCIS Codes
(240.6680) Optics at surfaces : Surface plasmons
(180.4243) Microscopy : Near-field microscopy
(310.6628) Thin films : Subwavelength structures, nanostructures

Y. Wang, A. S. Helmy, and G. V. Eleftheriades, "Plasmonic Antenna-Array for 2D Sub-Diffraction Focusing Beyond the Optical Near-Field," in Conference on Lasers and Electro-Optics 2012, OSA Technical Digest (Optical Society of America, 2012), paper QF1D.8.

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