Journal
PHYSICS LETTERS A
Volume 383, Issue 32, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.physleta.2019.125947
Keywords
Electromagnetically induced transparency; Metamaterial; Sensor; Refractive index
Categories
Funding
- Chinese Natural Science Foundation [61671238]
- China Postdoctoral Science Foundation [2016M601802]
- Jiangsu Planned Projects for Postdoctoral Research Funds [1601009B]
- Equipment Advanced Research Foundation of China [61402090103]
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A planar metamaterial of analogue of Electromagnetically Induced Transparency (EIT-like) is theoretically and experimentally investigated. The EIT-like metamaterial unit cell, whose electrical size is only 0.2 lambda(0), consists of a split ring resonator (SRR) and a folded-line pair resonator (FLPR). For the TM wave incidence, a sharp transmitted peak with high quality factor can be observed. The EIT-like metamaterial is fabricated and measured. Good agreement is obtained between the simulation and measurement results. A miniature refractive index sensor based on the proposed metamaterial is simulated and exhibits high sensitivity and Figure of Merit (FOM). (C) 2019 Elsevier B.V. All rights reserved.
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