Wideband Polarization Conversion Based on Elliptical-Shaped Metasurface for X-Band Applications

Year 2023, Volume: 16 Issue: 3, 928 - 939, 31.12.2023

Aykut Coşkun , Ahmet Teber , Mehmet Ertugrul

https://doi.org/10.18185/erzifbed.1217888

Abstract

Burada, geniş bant yansıtıcı doğrusal polarizasyon (LP) ve dairesel polarizasyon (CP) dönüşümlerini gerçekleştirmek için tek katmanlı, ultra ince, çok işlevli ve yüksek verimli bir meta-yüzey sunulmaktadır. Önerilen meta-yüzey, %97'den fazla verimlilikle %55,2'lik (7,89 13,91 GHz) nispi absorpsiyon bant genişliği (RAB) üzerinde doğrusal polarize dalga için mükemmel bir çapraz polarizasyon dönüştürücü görevi görür. Doğrusal polarize dalgaları 7,2–7,36 GHz frekans aralığında başarıyla dairesel polarize dalgalara dönüştürür. Ek olarak, TE ve TM modları için polarizasyon dönüşüm oranı (PCR) verimlilik özellikleri, 450'ye kadar geniş bir geliş açısı ile tüm X bandında korunur. Sunulan polarizasyon dönüştürücü, 0.07λ0 kalınlık ile ultra ince bir özelliğe sahiptir. Kompakt boyutu, açısal kararlılığı, yüksek verimliliği, basit yapısı ve çok işlevliliği nedeniyle bu polarizasyon dönüştürücü, birçok uygulamada polarizasyon manipülasyonu ve iletişim cihazları için önemli bir adaydır.

Keywords

Polarization converter, metasurface, cross polarization conversion, PCR, X band

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