Near-Field Focusing Plates: Theory and Experiment

Anthony Grbic; Lei Jiang; Roberto Merlin

Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies
OSA Technical Digest (CD) (Optica Publishing Group, 2008),
paper QTuA2

Near-Field Focusing Plates: Theory and Experiment

Anthony Grbic, Lei Jiang, and Roberto Merlin

Quantum Electronics and Laser Science Conference 2008

San Jose, California United States
4–9 May 2008
ISBN: 978-1-55752-859-9

From the session
Nanoplasmonics I (QTuA)

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A. Grbic, L. Jiang, and R. Merlin, "Near-Field Focusing Plates: Theory and Experiment," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest (CD) (Optica Publishing Group, 2008), paper QTuA2.

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Abstract

Using a modulated grating-like surface, referred to as a near-field plate, we experimentally demonstrate focusing of microwave radiation in a pattern that mimics that of a negative-index slab. The near-field plate’s resolution, of λ/20, is well beyond the diffraction limit.

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