期刊
IEEE SENSORS JOURNAL
卷 20, 期 4, 页码 1801-1806出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JSEN.2019.2948962
关键词
Hidden Markov models; Sensors; Metamaterials; Periodic structures; Reflectivity; Silicon; Silver; Tunable; metasurfaces; Fano-like effect; hyperbolic metamaterials; sensor
资金
- National Natural Science Foundation of China (NSFC) [11504139, 11504140, 11811530052]
- Ministry of Science and Technology of China [CB02-20]
- China Postdoctoral Science Foundation [2017M611693, 2018T110440]
The sensors with multifold nanorod metasurfaces array based on hyperbolic metamaterials with a multi-film structure are proposed in this paper. The Fano-like effect is analyzed to explain the coupling between different hyperbolic metamaterials structures. The sensors can be improved not only by changing the structure parameters, but also by changing the metamaterials' properties, such as filling factor, length and arrangement patterns are studied. The performance of the sensor is improved four to five times in comparison with the original structure through increasing the number of the hyperbolic metamaterials structures. This will lead to new applications in optical switches and other fields.
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