Low loss leakage transmission line

Details Low loss leakage transmission line Low loss leakage transmission line

1982-07-22

1984-04-03

Gensler, Paul L.

Wave transmission lines and networks

Long lines

Waveguide type

333236, H01P 312

Patent

active

044410913

ABSTRACT:
A low loss leakage transmission line including a cylindrical dielectric tube the wall thickness d.sub.2 of which is selected to satisfy ##EQU1## where .epsilon..sub.1 is the dielectric constant of the internal space within the tube, .epsilon..sub.2 is the dielectric constant of the material which forms the tube, and n is a positive odd integer. A loss layer may be disposed around the cylindrical dielectric tube to capture any lost wave energy. In one embodiment, a plurality of cylindrical dielectric tubes of different dielectric constants are coaxially arranged with the wall thickness of each of the tubes satisfying the above formula.

REFERENCES:
patent: 3028565 (1962-04-01), Walker et al.
patent: 3078428 (1963-02-01), Miller
patent: 3386043 (1968-05-01), Marcatili et al.
patent: 3436141 (1969-04-01), Comte
patent: 3596214 (1971-07-01), Glaser et al.

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