Double-Spiral Linearly Polarized RLSA


High gain linearly polarized radial line slot arrays (LP-RLSA) suffer from remarkable degradation of the return loss. To overcome this drawback, this communication presents a novel LP-RLSA design obtained by the superposition of two spirally arranged circularly polarized RLSAs. Indeed, it benefits from the intrinsically low reflection coefficient proper of… (More)

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