A spherical scatterer inside a circular hollow dielectric waveguide

A theoretical investigation is presented of scattering characteristics of a perfectly conducting spherical object placed inside a quasi-optical transmission line of the millimeter and submillimeter waves in the form of a circular hollow dielectric waveguide (HDW). From the analytical expressions obt...

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Bibliographic Details
Published in:International journal of infrared and millimeter waves 1997, Vol.18 (1), p.151-163
Main Authors: KISELIOV, V. K, KUSHTA, T. M
Format: Article
Language:English
Subjects:
Applied sciences
Backscattering
Dielectric waveguides
Diffraction, scattering, reflection
Exact sciences and technology
Mathematical analysis
Radiocommunications
Radiowave propagation
Scattering
Submillimeter waves
Telecommunications
Telecommunications and information theory
Transmission lines
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Summary:A theoretical investigation is presented of scattering characteristics of a perfectly conducting spherical object placed inside a quasi-optical transmission line of the millimeter and submillimeter waves in the form of a circular hollow dielectric waveguide (HDW). From the analytical expressions obtained, backscattering and extinction cross sections of this object are derived via the excitation coefficient of the dominantHE11 mode of the circular HDW and the HDW geometrical parameters. The agreement of the results with the corresponding data for the scattering of a plane homogeneous wave is shown.
ISSN:0195-9271
1866-6892
1572-9559
1866-6906
DOI:10.1007/BF02677902