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Nonsymmetrical H-plane corners for TE/sub 10/-TE/sub q0/-mode conversion in rectangular waveguides

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3 Author(s)
Kirilenko, Anatoliy A. ; Inst. for Radiophys. & Electron., Acad. of Sci., Kharkov ; Rud, Leonid A. ; Tkachenko, Vladimir I.

Compact high-efficient TE10-TEq0-mode converters based on truncated H-plane angular junctions of single-mode and overmoded rectangular waveguides are designed and investigated. The comparison analysis of converters without and with an inductive iris in the input port is carried out. Iris-free converters are broader in bandwidth, while iris-matched ones provide a better purity and higher conversion efficiency. It is found that the same configuration can provide a high-efficient conversion to different TEq0 modes in different parts of the frequency operation range. Two interpretations of the conversion physical mechanism are discussed

Published in:

Microwave Theory and Techniques, IEEE Transactions on  (Volume:54 ,  Issue: 6 )