Monolithic dielectric microwave window with distributed cooling

Details Monolithic dielectric microwave window with distributed cooling Monolithic dielectric microwave window with distributed cooling

1997-07-16

1999-06-29

Gensler, Paul

Wave transmission lines and networks

Long line elements and components

Waveguide elements and components

333239, H01P 108

Patent

active

059173890

ABSTRACT:
A microwave window is made as a flat layer of dielectric material having opposite first and second surfaces. Between these surfaces, the window is formed with a plurality of parallel coolant channels which, in cross-section, have racetrack configurations with flat sides and curved ends. The channels are distanced from each other in the window to establish parallel plate waveguides between the flat sides of adjacent channels. A plurality of cylindrical lenses are formed on the first surface of the dielectric layer to focus incident microwaves into convergence in a respective waveguide. Additionally, a plurality of cylindrical lenses are formed on the second surface of the dielectric layer to refocus microwaves emerging from the parallel plate waveguides back into a substantially parallel relationship as the microwaves radiate from the window.

REFERENCES:
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patent: 4453139 (1984-06-01), Labaar
patent: 4688004 (1987-08-01), Hirai et al.
patent: 5051715 (1991-09-01), Agosti et al.
patent: 5313179 (1994-05-01), Moeller
patent: 5400004 (1995-03-01), Moeller
patent: 5548257 (1996-08-01), Caplan et al.
patent: 5729239 (1998-03-01), Rao

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