Thin-film sensing with planar terahertz metamaterials: sensitivity and limitations
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 …
ring resonator (SRR) arrays are studied by terahertz time-domain spectroscopy. Uniform …
Performance enhancement of terahertz metamaterials on ultrathin substrates for sensing applications
We design, fabricate, and characterize split-ring resonator (SRR) based planar terahertz
metamaterials (MMs) on ultrathin silicon nitride substrates for biosensing applications. Proof …
metamaterials (MMs) on ultrathin silicon nitride substrates for biosensing applications. Proof …
Increasing the sensitivity of terahertz split ring resonator metamaterials for dielectric sensing by localized substrate etching
K Meng, SJ Park, AD Burnett, T Gill, CD Wood… - Optics express, 2019 - opg.optica.org
We demonstrate a significant enhancement in the sensitivity of split ring resonator terahertz
metamaterial dielectric sensors by the introduction of etched trenches into their inductive …
metamaterial dielectric sensors by the introduction of etched trenches into their inductive …
Role of resonance modes on terahertz metamaterials based thin film sensors
We investigate thin film sensing capabilities of a terahertz (THz) metamaterial, which
comprises of an array of single split gap ring resonators (SRRs). The top surface of the …
comprises of an array of single split gap ring resonators (SRRs). The top surface of the …
Sub-diffraction thin-film sensing with planar terahertz metamaterials
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 …
for thin dielectric film sensing in the terahertz frequency range. Although the thickness of the …
Asymmetric planar terahertz metamaterials
We report an experimental observation of three distinct resonances in split ring resonators
(SRRs) for both vertical and horizontal electric field polarizations at normal incidence by use …
(SRRs) for both vertical and horizontal electric field polarizations at normal incidence by use …
Biomedical sensing with conductively coupled terahertz metamaterial resonators
I Al-Naib - IEEE Journal of Selected Topics in Quantum …, 2016 - ieeexplore.ieee.org
Metamaterials that can support ultrasharp resonances using conductively coupled split ring
resonators are potential candidates for designing label-free biomedical sensors. The sharp …
resonators are potential candidates for designing label-free biomedical sensors. The sharp …
Increased frequency shifts in high aspect ratio terahertz split ring resonators
The resonance of split ring resonators (SRRs) is known to shift upon the addition of a
dielectric overlayer, a feature useful for practical applications. Here, we demonstrate that the …
dielectric overlayer, a feature useful for practical applications. Here, we demonstrate that the …
Ultra-thin subwavelength film sensing through the excitation of dark modes in THz metasurfaces
S Banerjee, CS Amith, D Kumar, G Damarla… - Optics …, 2019 - Elsevier
We demonstrate ultra-subwavelength thin film sensing through experimental and numerical
studies of the transmission characteristics of several symmetric and asymmetric planar split …
studies of the transmission characteristics of several symmetric and asymmetric planar split …
Sensing viruses using terahertz nano-gap metamaterials
We demonstrate highly sensitive detection of viruses using terahertz split-ring resonators
with various capacitive gap widths. Two types of viruses, with sizes ranging from 60 nm …
with various capacitive gap widths. Two types of viruses, with sizes ranging from 60 nm …