Abstract:This paper presents a novel leaky wave antenna (LWA) loaded by periodical open stubs and holes. The complex propagation constants of the first higher order mode of the periodically loaded microstrip, so-called the EH1 mode, are extracted by the field eigenvalue approach, leading to control the radiation characteristics by changing the loading conditions. By doubling the length of open stub, the operating frequency of the LWA can be shifted 8.9% toward to the lower frequency. The comparison of the dispersion cu… Show more
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