A Wideband Circularly Polarized Horn Antenna using Transmission Type Linear to Circular Polarization converter for Ka-band Applications

被引：0
|
作者：
Ganie, Javid Ahmad [1 ]
Saurav, Kushmanda [1 ]
机构：
[1] Indian Inst Technol Jammu, Dept Elect Engn, Jagti, Jammu & Kashmir, India
来源：
2021 51ST EUROPEAN MICROWAVE CONFERENCE (EUMC) | 2021年
关键词：
Polarization converter; frequency selective surface(FSS); horn antenna; circular polarization (CP); BROAD-BAND;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, a wideband circularly polarized horn antenna operating in Ka-band is proposed. A multi-layer frequency selective surface-based wideband transmission type linear to circular polarization converter is integrated with a Ka-band standard gain linearly polarized (LP) horn antenna to arrive at a circularly polarized (CP) horn antenna design. The polarization converter (PC) consists of four layers of FR4 substrate, each of 20 mil thickness with a horizontal metallic strip printed on one side. The overall size of the PC is 0.37 lambda(o) x 0.37 lambda(o) x 0.65 lambda(o) (lambda(o) corresponds to the wavelength at 26.5 GHz). A 62 x 62 array of the unit cell of the PC is fabricated and integrated with the Ka-band horn antenna. The LP horn antenna with the PC shows a 3-dB axial ratio bandwidth of 30.4% (26.5 to 36 GHz) in measurement. The measured gain of the circularly polarized horn antenna ranges between 10 dBiC to 13.2 dBiC in the operating frequency band.
引用
收藏
页码：494 / 497
页数：4
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