Compact metamaterial-enclosed wireless sensors with subtle perception of internal physical events

被引：9

作者：

Chen, Pai-Yen ^{[1
]}

Huang, Haiyu ^{[2
]}

Hung, Cheng-Hsien ^{[2
]}

机构：

[1] Wayne State Univ, Dept Elect & Comp Engn, Detroit, MI 48202 USA

[2] Maxim Integrated Inc, Dallas, TX 75240 USA

来源：

APPLIED PHYSICS LETTERS | 2015年 / 107卷 / 19期

关键词：

METASURFACE; ANTENNAS;

D O I：

10.1063/1.4935207

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We propose and theoretically investigate a metamaterial/metasurface-enclosed electrically small antenna (ESA), perfectly matched to the input stage of a radio-frequency circuitry. By tailoring the effective-medium properties of a low-profile metamaterial/metasurface cloak, the electromagnetic power can be maximally delivered to a 50 X load in a narrow frequency window, efficiently utilizing the available design volume. This ESA system, although having a small modal volume, is highly resonant, and its resonance frequency is sensitively shifted by material and volume perturbations within the cloaked region. We envision that this cloaked ESA system may make efficient and miniaturized wireless sensor nodes, probing internal information (e.g., liquid-level sensor) for various medical, environmental, and industrial applications. (C) 2015 AIP Publishing LLC.

引用

页数：5

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