DocumentCode
840147
Title
Definition of artificially soft and hard surfaces for electromagnetic waves
Author
Kildal, Per-Simon
Author_Institution
Norwegian Inst. of Technol., Trondheim
Volume
24
Issue
3
fYear
1988
fDate
2/4/1988 12:00:00 AM
Firstpage
168
Lastpage
170
Abstract
The widely used transversely corrugated surfaces and other alternative surfaces having the same anisotropic surface impedance deserve a common name. Here it is proposed to call them soft surfaces by analogy with the soft surfaces in acoustics. In the same way artificially hard surfaces are defined. Cylindrical hard waveguides of any cross-sectional shape can support TEM waves
Keywords
antenna theory; electromagnetic field theory; electromagnetic wave propagation; electromagnetic waves; waveguide antennas; TEM waves; anisotropic surface impedance; artificially hard surfaces; artificially soft surfaces; electromagnetic waves; hybrid mode horn antennas; transversely corrugated surfaces;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
Filename
191608
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