Discussion on calculations of mode converters in corrugated waveguides

Helga Kumric

doi:10.1117/12.2298174

14 December 1992 Discussion on calculations of mode converters in corrugated waveguides

Helga Kumric

Proceedings Volume 1929, 17th International Conference on Infrared and Millimeter Waves; 19291L (1992) https://doi.org/10.1117/12.2298174
Event: 17th International Conference on Infrared and Millimeter Waves, 1992, Pasadena, CA, United States

Abstract

Measurements on direct TE01-HE11 mode converters in corrugated waveguide [1] have shown an unconverted amount of 3% of the input TE01-mode, in contrast to theoretical predictions. The mechanical corrugation depth is determined by scaling of the electrical depth of the slots with factors for the normalized admittance for shaped slots from [2]. The deviation of the efficiency from the expected values noticed in the measurements is caused by uncorrect corrugation depth. The measurement results on two different mode converters are presented and discussed.

Citation Download Citation

Helga Kumric "Discussion on calculations of mode converters in corrugated waveguides", Proc. SPIE 1929, 17th International Conference on Infrared and Millimeter Waves, 19291L (14 December 1992); https://doi.org/10.1117/12.2298174

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