Journal
ADVANCED OPTICAL MATERIALS
Volume 10, Issue 1, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adom.202101008
Keywords
material selection; metamaterials; surface plasmon polariton; terahertz metamaterial sensing; terahertz spectroscopy; ultratrace detection
Categories
Funding
- National Key Research and Development Program of China [2019YFC1604604]
- National Natural Science Foundation of China [61975135, 61975148, 61275043, 61605128, 61425006]
- International Cooperation and Exchanges NSFC [61911530218]
- Natural Science Foundation of Guangdong Province [2019A1515010869]
- Shenzhen International Scientific and Technological Cooperation Project [GJHZ20190822095407131]
- Basic and Applied Basic Research Foundation of Guangdong Province [2019A1515111007]
- SZU Start-up Fund [85304-00000334]
- Shenzhen High-End Talent Research Start-up Fund [827-000366]
- SJTU Medicine Engineering Interdisciplinary Research Fund [YG2017MS19]
- Fundamental Research Funds for the Central Universities
- Royal Society
- Engineering and Physical Sciences Research Council [EP/s021442/1]
- EPSRC [EP/S021442/1] Funding Source: UKRI
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Terahertz metamaterial sensing (TMS) technology is an interdisciplinary technology with large penetration depth and high sensitivity, widely used in various fields such as biomedicine, food safety, environmental monitoring, industry, and agriculture. The performance of TMS is not only determined by the structural topology of metamaterials, but also by their compositions and substrates.
Terahertz metamaterial sensing (TMS) is a new interdisciplinary technology. A TMS system employs terahertz waves as the pumping source, these then interact with the sample and carry the substance information, e.g., refractive index, absorption spectra. These properties are relevant to the molecular rotation and vibration states produced by a surface-plasmon-polariton-like effect. TMS technology is usually characterized by large penetration depth and high sensitivity. Owing to these advantages, TMS may be used for ultratrace detection and consequently has a wide range of practical applications in biomedicine, food safety, environmental monitoring, industry and agriculture, material characterization, and safety inspection. Furthermore, TMS performance is determined not only by the structural topology of metamaterials, but also by their compositions and substrates. This paper reviews the essential fundamentals, relevant applications, and recent advances in TMS technology with a focus on the influence of material selection on TMS performance. This review is envisaged to be used as a key reference for developing TMS-based functional devices with enhanced characteristics.
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