Sensing technologies based on terahertz waves have immense potential due to their non- destructive, transparent, and fingerprint spectral response of several materials that are …
H Zhou, C Yang, D Hu, D Li, X Hui, F Zhang… - Applied Physics …, 2019 - pubs.aip.org
Metamaterial absorbers have proven their ability to sense in the terahertz domain. However, the sensitivity is always limited by the poor spatial overlap between the analyte and the …
High quality factor resonances are extremely promising for designing ultra-sensitive refractive index label-free sensors, since it allows intense interaction between …
Planar metamaterials consisting of subwavelength resonators have been recently proposed for thin dielectric film sensing in the terahertz frequency range. Although the thickness of the …
Planar metasurfaces and plasmonic resonators have shown great promise for sensing applications across the electromagnetic domain ranging from the microwaves to the optical …
The limiting effects of varying the thickness of a dielectric overlayer on planar double split- ring resonator (SRR) arrays are studied by terahertz time-domain spectroscopy. Uniform …
X Chen, W Fan, H Yan - Optics Express, 2020 - opg.optica.org
A novel terahertz nanofilm sensor consisting of toroidal dipole bound states in the continuum (TD-BIC) inspired Fano resonance metasurface is proposed and investigated, which exhibits …
Y Wang, Z Han, Y Du, J Qin - Nanophotonics, 2021 - degruyter.com
Toroidal dipole (TD) with weak coupling to the electromagnetic fields offers tremendous potential for advanced design of photonic devices. However, the excitation of high quality …
Terahertz (THz) radiation attracted great interest in the fields of material characterization, nondestructive security screening, clinical diagnostics, and identification of chemicals and …