[Table of Contents]

Plasma and Fusion Research

Volume 7, 2406022 (2012)

Regular Articles

Cylindrical Surface Wave on Periodically Corrugated Metal
Kazuo OGURA, Hiroshi IIDUKA and Kiyoyuki YAMBE
Graduate School of Science and Technology, Niigata University, Niigata 950-2181, Japan
(Received 9 December 2011 / Accepted 12 February 2012 / Published 15 March 2012)

Abstract

We present a numerical and experimental study of the dispersion characteristics of cylindrical surface waves on metallic cylinders with rectangular corrugations. In actual devices, reflections at both ends quantize the electromagnetic modes into resonant axial modes. A cavity method based on axial mode measurements is applied to study the properties of the cylindrical surface waves. The resonances are relatively sharp near the upper cutoff, but at low frequencies far from the cutoff, the resonances broaden to resemble those of a Sommerfeld wave.

Keywords

cylindrical surface wave, periodical corrugation, axial mode, surface plasmon, Sommerfeld wave

DOI: 10.1585/pfr.7.2406022

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This paper may be cited as follows:

Kazuo OGURA, Hiroshi IIDUKA and Kiyoyuki YAMBE, Plasma Fusion Res. 7, 2406022 (2012).