A Flexible Multifunctional Absorber/Reflector With Wideband and Low-Power Performance

被引：2

作者：

Liang, Xinhua ^{[1
]}

Chen, Zhao-Min ^{[2
,3
]}

Zhu, Lin ^{[1
]}

Cao, Qunsheng ^{[1
]}

机构：

[1] Nanjing Univ Aeronaut & Astronaut, Dept Elect & Informat Engn, Nanjing 211106, Peoples R China

[2] Southeast Univ, Frontiers Sci Ctr Mobile Informat Commun & Secur, Sch Informat Sci & Engn, State Key Lab Millimeter Waves, Nanjing 210096, Peoples R China

[3] Southeast Univ, Ctr Flexible RF Technol, Frontiers Sci Ctr Mobile Informat Commun & Secur, Nanjing 210096, Peoples R China

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2025年 / 24卷 / 06期

关键词：

PIN photodiodes; Metals; Absorption; Surface impedance; Strips; Power demand; Equivalent circuits; Electric fields; Switches; Broadband communication; Flexible; low power consumption; multifunctionality; polarization insensitive; switchable absorber/ reflector; SWITCHABLE ABSORBER/REFLECTOR; TRANSPARENT; ABSORBER; SINGLE;

D O I：

10.1109/LAWP.2025.3542552

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：

This letter presents a multifunctional flexible absorber/reflector with wideband performance and low power consumption. The proposed unit cell utilizes only two PIN diodes to achieve four distinct functions with low power consumption. By integrating the metal structure of the unit cell with the PIN diode bias lines, the design is simplified. In addition, the physical characteristics of the proposed structure are thoroughly analyzed using equivalent circuit theory, electric field analysis, and surface current distribution, enhancing the understanding of the design mechanisms. The simulation and experimental verification results are in agreement. Four distinct functions are successfully demonstrated within the frequency band of 8.5 GHz to 12.5 GHz, with a maximum power consumption of only 0.078 W.

引用

页码：1552 / 1556

页数：5

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