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

AuthorsWilliams, C. R.; Carretero-Palacios, S.; Rodrigo, Sergio G.; García-Vidal, F. J.; Martín-Moreno, Luis
Issue DateJan-2010
PublisherAmerican Institute of Physics
CitationApplied Physics Letters 96(1): 011101 (2010)
AbstractWe 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.
Description3 páginas, 4 figuras.-- et al.
Publisher version (URL)http://dx.doi.org/10.1063/1.3276545
Appears in Collections:(ICMA) Artículos
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