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Polychromatic nanofocusing of surface plasmon polaritons (1011.4709v1)
Published 21 Nov 2010 in physics.optics
Abstract: We introduce the concept of polychromatic plasmonics and suggest an broadband plasmonic lens for nanofocusing of surface plasmon polaritons. The lens employs a parabolically modulated metal-dielectric-metal structure. This plasmonic lens has a bandwidth of more than an optical octave thus opening new opportunities for broadband plasmonic applications.
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