Metasurface-Assisted Terahertz Sensing

Metasurface-Assisted Terahertz Sensing

Terahertz (THz) waves, which fall between microwaves and infrared bands, possess intriguing electromagnetic properties of non-ionizing radiation, low photon energy, being highly sensitive to weak resonances, and non-polar material penetrability. Therefore, THz waves are extremely suitable for sensin...

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Veröffentlicht in:Sensors (Basel, Switzerland) Switzerland), 2023-06, Vol.23 (13), p.5902
Hauptverfasser: Wang, Qian, Chen, Yuzi, Mao, Jinxian, Yang, Fengyuan, Wang, Nan
Format: Artikel
Sprache:eng
Schlagworte:
biodetection
Biomolecules
biosensing
Comparative analysis
Design
Electromagnetic properties
Electromagnetism
Engineering
Frequency shift
Geometry
Graphene
Graphite
Ionizing radiation
Metasurfaces
Microorganisms
Microwaves
Photons
Radiation
Resonators
Review
Sensors
Spectrum analysis
Technology
Terahertz frequencies
THz metasurface
THz sensing
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Zusammenfassung:Terahertz (THz) waves, which fall between microwaves and infrared bands, possess intriguing electromagnetic properties of non-ionizing radiation, low photon energy, being highly sensitive to weak resonances, and non-polar material penetrability. Therefore, THz waves are extremely suitable for sensing and detecting chemical, pharmaceutical, and biological molecules. However, the relatively long wavelength of THz waves (30~3000 μm) compared to the size of analytes (1~100 nm for biomolecules,
ISSN:1424-8220
1424-8220
DOI:10.3390/s23135902