A Polarization-Independent Wideband Switchable Rasorber With High Roll-Off Characteristics Utilizing Third-Order Switchable FSS

IF 3.7 2区计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC IEEE Antennas and Wireless Propagation Letters Pub Date : 2024-12-09 DOI:10.1109/LAWP.2024.3514899

Yanjie Wu;Haoquan Hu;Jing Tian;Shiwen Lei;Bixiao Jiang;Bo Chen;Hao Jiang;Quan Xue

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Abstract

In recent years, switchable frequency selective rasorbers (FSRs) have been extensively studied due to their in-band shielding ability. However, it is difficult to achieve dual-polarized switchable FSR with wide passband and excellent roll-off characteristics simultaneously. In this letter, a polarization-independent wideband switchable FSR with high roll-off characteristics is proposed. The FSR is composed of a three-layer architecture with a nonswitchable impedance layer, a switchable impedance layer and a switchable frequency selective surface (FSS). A switchable FSS with third-order response is utilized to achieve low profile, wideband transmission and high roll-off characteristics. Meanwhile, a wide low reflection band is achieved with the assistance of two impedance layers. Under each polarization, the device can be independently switched between rasorber and absorber modes. Finally, a prototype is manufactured and measured to demonstrate the viability of the proposed design. Compared with the existing counterparts, the proposed dual-polarized switchable FSR exhibits excellent performance in terms of wideband transmission, high roll-off characteristics and broadband absorption.

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来源期刊

IEEE Antennas and Wireless Propagation Letters 工程技术-电信学

CiteScore

8.00

自引率

9.50%

发文量

529

审稿时长

1.0 months

期刊介绍： IEEE Antennas and Wireless Propagation Letters (AWP Letters) is devoted to the rapid electronic publication of short manuscripts in the technical areas of Antennas and Wireless Propagation. These are areas of competence for the IEEE Antennas and Propagation Society (AP-S). AWPL aims to be one of the "fastest" journals among IEEE publications. This means that for papers that are eventually accepted, it is intended that an author may expect his or her paper to appear in IEEE Xplore, on average, around two months after submission.