Dielectric waveguide having higher order mode suppression

Details Dielectric waveguide having higher order mode suppression Dielectric waveguide having higher order mode suppression

1987-08-17

1989-10-17

LaRoche, Eugene R.

Wave transmission lines and networks

Long line elements and components

Waveguide elements and components

333239, H01P 1162

Patent

active

048750263

ABSTRACT:
A dielectric waveguide for the transmission of electromagnetic waves is provided comprising a core of polytetrafluoroethylene (PTFE), one or more layers of PTFE cladding overwrapped around the core, a mode suppression layer of an electromagnetically lossy material covering the cladding and an electromagnetic shielding layer covering the mode suppression layer. The mode suppression layer is preferably a tape of carbon-filled PTFE. Another electromagnetically lossy material layer may be placed around the shield to absorb any extraneous energy.

REFERENCES:
patent: 2915715 (1959-12-01), Young, Jr.
patent: 3601720 (1971-08-01), Nakahara et al.
patent: 3703690 (1972-11-01), Ravenscroft et al.
patent: 4319940 (1982-03-01), Arroyo et al.
patent: 4441091 (1984-04-01), Nishida et al.
patent: 4525693 (1985-06-01), Suzuki et al.
patent: 4701576 (1987-10-01), Wada et al.
patent: 4785268 (1988-11-01), Walter et al.

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