Guiding spoof surface plasmon polaritons by infinitely thin grooved metal strip | Zendy

Xiang Wan | Zendy; Tie Jun Cui | Zendy

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Guiding spoof surface plasmon polaritons by infinitely thin grooved metal strip

Author(s) -

Xiang Wan,

Tie Jun Cui

Publication year - 2014

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4874307

Subject(s) - strips , surface plasmon polariton , planar , materials science , terahertz radiation , surface plasmon , optics , polariton , dispersion relation , cylinder , thin film , surface wave , plasmon , metal , microwave , dispersion (optics) , splitter , optoelectronics , physics , composite material , geometry , nanotechnology , computer graphics (images) , mathematics , quantum mechanics , computer science , metallurgy

In this paper, the propagation characteristics of spoof surface plasmon polaritons (SPPs) on infinitely thin corrugated metal strips are theoretically analyzed. Compared with the situations of infinitely thick lateral thickness, the infinitely thin lateral thickness leads to lower plasma frequency according to the analyses. The propagation lengths and the binding capacity of the spoof SPPs are evaluated based on the derived dispersion equation. The effects of different lateral thicknesses are also investigated. At the end, a surface wave splitter is presented using infinitely thin corrugated metal strip. Other functional planar or flexible devices can also be designed using these metal strips in microwave or terahertz regimes

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