Distributed window for large diameter waveguides

Details Distributed window for large diameter waveguides Distributed window for large diameter waveguides

1992-10-07

1994-05-17

Gensler, Paul

Wave transmission lines and networks

Long line elements and components

Waveguide elements and components

333251, H01P 108

Patent

active

053131797

ABSTRACT:
A distributed microwave window couples microwave power in the HE.sub.11 mode between a first large diameter waveguide and a second large diameter waveguide, while providing a physical barrier between the two waveguides, without the need for any transitions to other shapes or diameters. The window comprises a stack of alternating dielectric and hollow metallic strips, brazed together to form a vacuum barrier. The vacuum barrier is either transverse to or tilted with respect to the waveguide axis. The strips are oriented to be perpendicular to the transverse electric field of the incident microwave power. A suitable coolant flows through the metallic strips. The metallic strips are tapered on both sides of the vacuum barrier, which taper serves to funnel the incident microwave power through the dielectric strips.

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patent: 5061912 (1991-10-01), Moeller
Doane, "Low Loss Propagation is Corrugated Rectangular Waveguide at 1mm Wavelight", International Journal of Infrared and Millimeter Waves, 8:1 (1987).
Waveguide Handbook, Massachusetts Institute of Technology, Radiation Laboratory Series, Edited by N. Marcuvitz; pp. 63-81 (1951).

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