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  Phys. Rev. Lett. 107, 116802-4 (Sep 2011)
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Generation and Near-Field Imaging of Airy Surface Plasmons
A. Minovich, A. E. Klein, N. Janunts, T. Pertsch, D. N. Neshev, and Yu. S. Kivshar,
Phys. Rev. Lett. 107, 116802-4 (2011).
[Full-text PDF (1.1 Mb)] [Online]
Experimental demonstration of Airy plasmons: left - Experimental setup; right - Near-field imaging of Airy plasmons (nonspreading bended rays of light) propagating along the surface of a gold film with an engineered grating pattern for their excitation. Selected for an Editors' Suggestion and a Viewpoint in Physics.
Abstract: We demonstrate experimentally the generation and near-field imaging of nondiffracting surface waves, plasmonic Airy beams, propagating on the surface of a gold metal film. The Airy plasmons are excited by an engineered nanoscale phase grating, and demonstrate significant beam bending over their propagation. We show that the observed Airy plasmons exhibit self-healing properties, suggesting novel applications in plasmonic circuitry and surface optical manipulation.

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