A D-Band Dual-Polarized High-Gain LTCC-Based Reflectarray Antenna Using SIW Magnetoelectric-Dipole Elements

被引：0
作者：
Miao, Zhuo-Wei [1 ]
机构：
[1] Southeast Univ, Sch Informat Sci & Engn, State Key Lab Millimeter Waves, Nanjing 210096, Peoples R China
来源：
MICROMACHINES | 2024年 / 15卷 / 12期
基金：
中国国家自然科学基金; 中国博士后科学基金;
关键词：
D-band; dual polarized; low-temperature co-fired-ceramic (LTCC) technology; magnetoelectric dipole; receiving/reradiating (R/R) principle; reflectarray (RA) antenna; substrate-integrated waveguide (SIW); BROAD-BAND; DESIGN;
D O I：
10.3390/mi15121511
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
This paper presents a D-band dual linear-polarized wideband high-gain reflectarray (RA) antenna using low-temperature co-fired-ceramic (LTCC) technology. The proposed element comprises a dual-polarized magnetoelectric (ME) dipole and a multilayer slot-coupling substrate-integrated waveguide (SIW) phase-delay structure, which are organized in accordance with the receiving/reradiating (R/R) principle. The coverage of phase shifts for both orthogonal polarizations is set to be greater than 360 degrees by varying the length of the phase-delay structure. For verification, a D-band 1296-element RA prototype using the proposed unit cell is fabricated and measured in a THz chamber. The measured results show that the proposed RA achieves a peak gain of 32.25 and 33.03 dBi for the two orthogonal polarizations. The measured 3 dB gain bandwidths for the two orthogonal polarizations are 122-149 GHz (20%) and 123-149 GHz (19.3%), respectively.
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页数：11
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