A wideband low-profile antenna using hybrid metasurface structure

作者：Chen, Dongxu; Yang, Wanchen; Xue, Quan; Che, Wenquan^*

来源：MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, 2021, 63(3): 965-969.

DOI：10.1002/mop.32796

• antenna
• hybrid metasurface
• low profile
• resonance
• stable gain
• wideband

A novel wideband low-profile antenna using a hybrid metasurface (MS) structure is presented. The proposed hybrid MS radiator consists of metal patches of different shapes or arrangements, and is fed by a microstrip line through a coupling slot etched on the ground plane. Several resonance modes can be excited for the hybrid MS radiator when a linearly polarized incident plane wave reaches, while one more resonance mode can be introduced by the coupling slot. As a result, wideband and stable radiation can be obtained. The results of the fabricated antenna prototype indicate a large bandwidth of 57.4% (5.23 similar to 9.44 GHz) and a stable gain with a 2-dB gain bandwidth of 39.2% in a low profile of 0.09 lambda(0). The performances are demonstrated by both simulated and experimental results.

• 单位
  南京理工大学