An Ultrathin Linear-to-Circular Polarization Converter with Wide Axial Ratio Bandwidth

被引：0

作者：

Kundu, Debidas ^{[1
]}

Mohan, Akhilesh ^{[1
]}

Chakrabarty, Ajay ^{[1
]}

Singh, Jaydeep ^{[1
]}

Singh, Dharmendra ^{[1
]}

机构：

[1] Indian Inst Technol Roorkee, Dept Elect & Commun Engn, Roorkee 247667, Uttar Pradesh, India

来源：

PROCEEDINGS OF THE 2019 IEEE ASIA-PACIFIC MICROWAVE CONFERENCE (APMC) | 2019年

关键词：

circular polarization (CP); linear-to-circular polarization (LCP) converter; axial ratio bandwidth (ARBW); BROAD-BAND; ANTENNA;

D O I：

10.1109/apmc46564.2019.9038331

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

In this paper, an ultrathin transmission-type linear-to-circular polarization (LCP) converter is designed for X-band using a simple hi-layer frequency selective surface. The proposed polarization converter converts the TE- (or y-) and TM- (or x-) polarized incident waves into left-handed circularly polarized (LHCP) and right-handed circularly polarized (RHCP) transmitted waves, respectively. It offers 42.4% (8 - 12.3 GRz) 3 dB axial ratio bandwidth (ARBW) to the LHCP transmitted wave while it possesses only 0.027 lambda(0) thickness (lambda(0) is the wavelength at the mid-operating frequency). Moreover, the converter is quite insensitive to the oblique incident waves. The polarization state of the transmitted wave is characterized by determining the actual polarization ellipses at few frequency samples. The measurement results show good agreement with the numerically simulated results.

引用

页码：929 / 931

页数：3

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