Wave transmission lines and networks – Coupling networks – With impedance matching
Patent
1989-05-12
1990-08-28
Gensler, Paul
Wave transmission lines and networks
Coupling networks
With impedance matching
333 35, 333239, 350 9615, H01P 508
Patent
active
049528920
ABSTRACT:
A technique for modifying the end portion of a wave guide, whether hollow or solid, carrying electromagnetic, acoustic or optical energy, to produce a gradual impedance change over the length of the end portion, comprising the cutting of longitudinal, V-shaped grooves that increase in width and depth from beginning of the end portion of the wave guide to the end of the guide so that, at the end of the guide, no guide material remains and no surfaces of the guide as modified are perpendicular to the direction of energy flow. For hollow guides, the grooves are cut beginning on the interior surface; for solid guides, the grooves are cut beginning on the exterior surface. One or more resistive, partially conductive or nonconductive sleeves can be placed over the exterior of the guide and through which the grooves are cut to smooth the transition to free space.
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Constant Richard E.
Gensler Paul
Hamel Stephen D.
Moser William R.
The United States of America as represented by the United States
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