Diffraction Radiation Effects: A theoretical and experimental study

Seil S. Sautbekov, Kostyantyn Y. Sirenko, Yurii Konstantinovich Sirenko, A. P. Yevdokymov

2015

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DOI 10.1109/map.2015.2470673
Data confidence 70 medium
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Abstract

This article is devoted to the theoretical and experimental study of diffraction radiation effects. Diffraction radiation is generated by the scattering of an eigenfield of densitymodulated electron beam or a surface eigenwave of open dielectric waveguide on a nearby periodic structure. For the first time, these effects were studied using rigorous models exploiting exact absorbing conditions (EACs). This article also details the design and experimental testing of radiating elements for planar diffraction antennas with extremely low sidelobe levels, which exploit diffraction radiation effects.