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Plasmonics

Superfocusing of terahertz waves

Nature Photonics volume 1, pages 14–15 (2007)Cite this article

The promising field of terahertz imaging has long been limited by poor resolution. Researchers now believe that the intriguing properties of surface-plasmon polaritons on corrugated wires could help beat the diffraction limit and inspire a new generation of terahertz photonic devices.

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Figure 1: Calculated electric-field distribution of an SPP on a corrugated cone2.

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  1. Clarendon Laboratory at the University of Oxford, Parks Road, Oxford, OX1 3PU, UK

    Michael B. Johnston

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  1. Michael B. Johnston
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Johnston, M. Superfocusing of terahertz waves. Nature Photon 1, 14–15 (2007). https://doi.org/10.1038/nphoton.2006.60

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