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Controlling Light With Plasmon Waves (1 of 2)

Caption: Circularly polarized dipole over a metal surface, exciting surface plasmons unidirectionally. The height of the metal surface represents the surface charge density. This image relates to a paper that appeared in the April 19, 2013, issue of Science, published by AAAS. The paper, by Francisco Rodríguez-Fortuño at King's College London in London, UK, and colleagues was titled, "Near-Field Interference for the Unidirectional Excitation of Electromagnetic Guided Modes."

Credit: [Image courtesy of Francisco J. Rodríguez-Fortuño]

Usage Restrictions: Please cite the owner of the image when publishing. This image may be freely used by reporters as part of news coverage, with proper attribution. Non-reporters must contact Science for permission.

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