NDLI: Electromagnetic Resonances and Q-Factors of Lossy Dielectric Spheres

Content Provider	IEEE Xplore Digital Library
Author	Affolter, P. Eliasson, B.
Copyright Year	1963
Description	A theoretical and experimental study of the electromagnetic resonances of spheres is presented. In particular, the scattering characteristics of spheres inside rectangular waveguides are investigated at and around the resonant frequencies. The approach is based on the scattering theory developed by Mie in 1908. Mie's theory is valid for scattering of a plane electromagnetic wave by a homogeneous and isotropic sphere of arbitrary diameter. It encompasses both lossless and lossy spheres. Three continuous functions of frequency are presented. They contain information on the resonant frequencies, the Q-factors, and the output power losses of the sphere. The effect of losses on the resonant behavior was also studied. The theoretical results were compared to experimental data. The agreement between theory and experiment is excellent. An experimental study of the effect of inhomogenities and irregularities of the sphere's material and shape was also made.
Sponsorship	IEEE Microwave Theory and Techniques Society
Starting Page	573
Ending Page	578
Page Count	6
File Size	645531
File Format	PDF
ISSN	00189480
Volume Number	21
Issue Number	9
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1973-09-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Dielectric losses Resonance Q factor Electromagnetic scattering Mie scattering Resonant frequency Electromagnetic waveguides Rectangular waveguides Waveguide components Power generation
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering Radiation

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