Abstract

This paper presents the design of a 4-element array of complimentary split ring resonators (CSRRs) cut on the broad-wall of a rectangular waveguide. CSRRs have not previously been used as elements of slotted waveguide antenna (SWA) arrays. The array design is based on the parametric study on the effect of CSRR geometrical parameters on the radiation characteristics. Simulated reflection properties and realized gain patterns of the proposed CSRR-SWA array are presented and compared to that of conventional half wavelength rectangular slots. The results demonstrate the feasibility of using CSRRs in SWA arrays. It is envisaged that CSRR-SWA array could be used in multifunctional load-bearing structures to improve mechanical performance, due to their smaller size compared to conventional array elements.

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