Bandwidth study of the microwave reflectors with rectangular corrugations

Zhang, Liang and He, Wenlong and Donaldson, Craig and Cross, Adrian (2016) Bandwidth study of the microwave reflectors with rectangular corrugations. Journal of Infrared, Millimeter and Terahertz Waves. ISSN 1866-6906 (In Press)

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    Abstract

    The mode-selective microwave reflector with periodic rectangular corrugations in the inner surface of a circular metallic waveguide is studied in this paper. The relations between the bandwidth and reflection coefficient for different numbers of corrugation sections were studied through a global optimization method. Two types of reflectors were investigated. One does not consider the phase response and the other does. Both types of broadband reflectors operating at W-band were machined and measured to verify the numerical simulations.