Mode converter for microwave power transmission circuit
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United States of America Patent
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Nov 27, 1990
Grant Date -
N/A
app pub date -
Feb 21, 1989
filing date -
Feb 23, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The converter disclosed is interposed between a generator of electromagnetic waves and circular, output waveguide propagating the TE.sub.01 mode. It is formed by the series mounting of a rectangular waveguide, having one of its end closed and a circular waveguide propagating the TM.sub.01 mode, connected to the rectangular waveguide by a lateral opening, in such a way that the axes of the two waveguides are perpendiuclar, also included in the series mounting is a group of intermediate waveguides placed after the circular waveguide, distributed in a ring before its free end. Each intermediate waveguide is formed by a sequence of waveguide pieces working in the rectangular TE.sub.10 mode and gradually offset in rotation with respect to one another, in the same direction. The overall offset among the pieces of one and the same intermediate guide will be 90.degree.. The converter can be applied to the conversion of modes in high power microwave transmission circuits.
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