Dual band terahertz waveguiding on a planar metal surface patterned with annular holes

Christopher Williams; M Misra; S R Andrews; S A Maier; S Carretero-Palacios; S G Rodrigo; F J Garcia-Vidal; L Martin-Moreno

doi:10.1063/1.3276545

Dual band terahertz waveguiding on a planar metal surface patterned with annular holes

Christopher Williams, M Misra, S R Andrews, S A Maier, S Carretero-Palacios, S G Rodrigo, F J Garcia-Vidal, L Martin-Moreno

Department of Physics

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38 Citations (SciVal)

Abstract

We report studies of the guiding of terahertz radiation on a copper surface textured with an array of blind annular holes. The structure supports two tightly bound surface plasmon-polaritonlike electromagnetic waves associated with TE11 and TEM coaxial waveguide modes. The TE11-like surface mode has a cutoff determined by the array period while the TEM mode can be arranged to have a lower frequency cut-off by adjusting the hole depth. The ability to guide two modes in independently variable bands could be useful in quantitative chemical sensing.

Original language	English
Article number	011101
Number of pages	3
Journal	Applied Physics Letters
Volume	96
Issue number	1
DOIs	https://doi.org/10.1063/1.3276545
Publication status	Published - 4 Jan 2010

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abstract = "We report studies of the guiding of terahertz radiation on a copper surface textured with an array of blind annular holes. The structure supports two tightly bound surface plasmon-polaritonlike electromagnetic waves associated with TE11 and TEM coaxial waveguide modes. The TE11-like surface mode has a cutoff determined by the array period while the TEM mode can be arranged to have a lower frequency cut-off by adjusting the hole depth. The ability to guide two modes in independently variable bands could be useful in quantitative chemical sensing.",

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AU - Rodrigo, S G

AU - Garcia-Vidal, F J

AU - Martin-Moreno, L

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Dual band terahertz waveguiding on a planar metal surface patterned with annular holes

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