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The TEM-Mode Bandwidth of Two-Conductor Open Transmission Lines
By
, Vol. 40, 1-28, 2003
Abstract
The usual aim with any waveguide is to operate it with only the fundamental mode propagating. With fully closed waveguides, finding the band over which this is possible turns on no more than knowledge of the cutoff frequencies of the fundamental and first higher order modes. With open waveguides, the question is not so simply answered. Such waveguides propagate at most a finite set of bound modes together with a continuous modal spectrum that has no counterpart with closed guides. In this paper, for several particular two-conductor transmission lines, we investigate the circumstances under which leaky wave modes, though not themselves members of any orthonormal set of basis functions, can be used to set bounds on the band over which it is to be expected that the transmitted field is substantially contained in the fundamental TEM mode. The method used relies on transverse resonance.
Citation
, "The TEM-Mode Bandwidth of Two-Conductor Open Transmission Lines," , Vol. 40, 1-28, 2003.
doi:10.2528/PIER02060901
http://www.jpier.org/PIER/pier.php?paper=0206091
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