Journal
SCIENCE
Volume 308, Issue 5722, Pages 670-672Publisher
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.1109043
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Funding
- Engineering and Physical Sciences Research Council [GR/S96036/01, GR/S11008/01, GR/S96029/01] Funding Source: researchfish
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We studied the microwave reflectivity of a structured, near perfectly conducting substrate that was designed to verify the existence of a theoretically proposed new class of surface mode. Measurements of the mode's dispersion curve show that it correctly approaches the predicted asymptotic frequency; the curve also agrees well with that derived from a computer simulation. Modeling of the field distribution on resonance provides evidence of strong localization of the electric field at the interface and substantial power flow along the interface, thus verifying the surface plasmon-like nature of the mode.
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