Wave transmission lines and networks – Wave mode converters
Patent
1990-02-22
1991-03-12
Gensler, Paul
Wave transmission lines and networks
Wave mode converters
333251, H01P 116
Patent
active
049995910
ABSTRACT:
A waveguide mode converting apparatus especially of the TM.sub.01 to TE.sub.11 converting type and usable in circuit waveguide apparatus with desirable high efficiency and relatively small physical size is disclosed. The mode converter employs the combination of an asymmetrically shaped conical frustum waveguide segment together with a radially disposed fin having tapered input and output or ramp surfaces. Details of a 1.3 gigahertz embodiment of the mode converter including dimensions are included along with the results of efficiency measuring and indications of alternate arrangements of the invention.
REFERENCES:
patent: 2129669 (1938-09-01), Bowen
patent: 2546840 (1951-03-01), Tyrrell
patent: 2816271 (1957-12-01), Barker
patent: 3566309 (1971-02-01), Ajioka
patent: 3896449 (1975-07-01), Blume
patent: 3955202 (1976-05-01), Young
patent: 4510469 (1985-04-01), Bowman
patent: 4516088 (1985-05-01), Johnson et al.
New Compact Broadband High-Efficiency Mode Converters For High Power Microwave Tubes With TE.sub.On or TM.sub.On Mode Outputs, M. J. Buckley, G. H. Luo and R. J. Vernon, University of Wisconsin, Madison, Wis. 53706-1691, pp. 797-800.
Microwave Transmission Circuits, George L. Ragan, General Electric Co. Research Lab., First Edition, pp. 379-405.
Cremer Charles D.
Geren William P.
Koslover Robert A.
Miner Lynn M.
Voss Donald E.
Gensler Paul
Hollins Gerald B.
Singer Donald J.
The United States of America as represented by the Secretary of
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