Metamaterial polarization converter analysis: limits of performance

Dmitry L. Markovich, Andrei Andryieuski, Maksim Zalkovskij, Radu Malureanu, Andrei V. Lavrinenko

    Research output: Contribution to journalJournal articleResearchpeer-review


    In this paper, we analyze the theoretical limits of a metamaterial-based converter with orthogonal linear eigenpolarizations that allow linear-to-elliptical polarization transformation with any desired ellipticity and ellipse orientation. We employ the transmission line approach providing a needed level of the design generalization. Our analysis reveals that the maximal conversion efficiency for transmission through a single metamaterial layer is 50 %, while the realistic reflection configuration can give the conversion efficiency up to 90 %. We show that a double layer transmission converter and a single layer with a ground plane can have 100 % polarization conversion efficiency. We tested our conclusions numerically reaching the designated limits of efficiency using a simple metamaterial design. Our general analysis provides useful guidelines for the metamaterial polarization converter design for virtually any frequency range of the electromagnetic waves.
    Original languageEnglish
    JournalApplied Physics B
    Issue number2
    Pages (from-to)143-152
    Publication statusPublished - 2013


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