Improvement of quasi-optical mode converters by launching an appropriate mixture of modes.

J. Pretterebner

doi:10.1117/12.2298139

14 December 1992 Improvement of quasi-optical mode converters by launching an appropriate mixture of modes.

J. Pretterebner

Proceedings Volume 1929, 17th International Conference on Infrared and Millimeter Waves; 19290M (1992) https://doi.org/10.1117/12.2298139
Event: 17th International Conference on Infrared and Millimeter Waves, 1992, Pasadena, CA, United States

Abstract

To reduce sidelobes of the far field of quasi-optical antennas optical engineers tailor the aperture distribution appropriately. In this paper we show how this tailoring can be achieved by partially converting the operating mode into a mode mixture which will be launched. Criterias to find the optimum mixture will be presented. Mode conversion is achieved by using periodic wall perturbations.

Citation Download Citation

J. Pretterebner "Improvement of quasi-optical mode converters by launching an appropriate mixture of modes.", Proc. SPIE 1929, 17th International Conference on Infrared and Millimeter Waves, 19290M (14 December 1992); https://doi.org/10.1117/12.2298139

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