Abstract
A zero index metamaterial can be applied to perfect transmission or perfect reflection. In this paper we theoretically present a strategy of microwave transmission through a zero-index metamaterial waveguide loaded with defects. By simply adjusting the geometric and electromagnetic properties of the defects, higher modes can be excited in the total transmission or total reflection. To do so, a waveguide with two and three defects is considered and studied and the properties of defects are calculated from an analytical procedure. The results show excitation of higher modes in total transmission and reflection of waveguide.
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