A compact dual-band linear-to-circular polarization converter for X-band and Ku-band applications

被引：0

作者：

Undras, Anusha ^{[1
]}

Khairnar, Vikas V. ^{[1
]}

机构：

[1] VIT AP Univ, Sch Elect Engn SENSE, Amaravati 522237, Andhra Pradesh, India

来源：

OPTICS COMMUNICATIONS | 2024年 / 570卷

关键词：

Dual-band; Axial ratio; Bandwidth; Linear-to-circular polarization; GENERATION; ANTENNA;

D O I：

10.1016/j.optcom.2024.130890

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

This paper introduces a compact reflective dual-band linear-to-circular polarization converter (D-LCPC). The converter unit cell consists of a modified L-shaped patch and three parallel dipoles to enable dual-band operation. It demonstrates a 3-dB axial ratio bandwidth (ARBW) ranging from 8.09 to 10.59 GHz (26.76%) for the lower band and 17.53 to 18.63 GHz (6.08%) for the upper band, specifically for y-polarized incidence. The design enables the conversion from linear polarization to right-hand circular polarization in the dual- band. Furthermore, the axial ratio remains below 1.20 dB within the frequencies of 8.27 to 10.01 GHz and 17.62 to 18.47 GHz, indicating a high efficiency of circular polarization conversion on an average of 99.5%. This innovative structure is suitable for creating circularly polarized systems for X-band and Ku-band satellite communication, especially in weather RADAR communications.

引用

页数：7

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