Linear-to-Cross-Polarization Transmission Converter Using Ultrathin and Smaller Periodicity Metasurface

A novel ultrathin linear-to-cross-polarization transmission metasurface converter with a periodicity of 8 mm (<inline-formula><tex-math notation="LaTeX">\lambda _{0}\diagup</tex-math></inline-formula>4.26, where <inline-formula><tex-math notation="LaTe...

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Bibliographic Details
Published in:IEEE antennas and wireless propagation letters Vol. 18; no. 7; pp. 1433 - 1437
Main Authors: Baghel, Amit Kumar, Kulkarni, Shashank Satish, Nayak, Sisir Kumar
Format: Journal Article
Language:English
Published: New York IEEE 01.07.2019
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:
Antenna arrays
Antenna measurements
Bandwidth
Bandwidths
Conversion
Converters
Copper
Cross-polarization transmission coefficient
Incident waves
metasurface (MS)
Metasurfaces
Microwave communications
Monolayers
Multilayers
Periodic variations
Polarization
polarization conversion ratio (PCR)
Remote sensing
Surface waves
Thickness
ultrathin
Weight reduction
ISSN:1536-1225, 1548-5757
Online Access:Get full text
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Summary:A novel ultrathin linear-to-cross-polarization transmission metasurface converter with a periodicity of 8 mm (<inline-formula><tex-math notation="LaTeX">\lambda _{0}\diagup</tex-math></inline-formula>4.26, where <inline-formula><tex-math notation="LaTeX">\lambda _{0}</tex-math></inline-formula> is free-space wavelength at 8.8 GHz) is proposed, which gives perfect transmission. The proposed MS is a single layer with a thickness of 0.8 mm (0.0235<inline-formula><tex-math notation="LaTeX">\lambda _{0}</tex-math></inline-formula>). The conversion efficiency is near unity due to Fabry-Perot resonator-like condition formed, thus giving the perfect cross-polarized wave. The bandwidth of conversion efficiency greater than 80% is 4.21%. As the top and bottom surfaces have the same patterns, the proposed design shows the same conversion with x - or y -polarized incident wave. Due to the ease of fabrication and light weight, the proposed design is a better candidate for applications such as remote sensing and microwave communications than the multilayer transmission converters.
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ISSN:1536-1225
1548-5757
DOI:10.1109/LAWP.2019.2919423