Performance enhancement of terahertz metamaterials on ultrathin substrates for sensing applications

H Tao, AC Strikwerda, M Liu, JP Mondia… - Applied Physics …, 2010 - pubs.aip.org
We design, fabricate, and characterize split-ring resonator (SRR) based planar terahertz
metamaterials (MMs) on ultrathin silicon nitride substrates for biosensing applications. Proof …

Thin-film sensing with planar terahertz metamaterials: sensitivity and limitations

JF O'Hara, R Singh, I Brener, E Smirnova, J Han… - Optics …, 2008 - opg.optica.org
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 …

Broadband multi-layer terahertz metamaterials fabrication and characterization on flexible substrates

NR Han, ZC Chen, CS Lim, B Ng, MH Hong - Optics express, 2011 - opg.optica.org
Microscopic split-ring-resonator (SRR) arrays are fabricated on 100 μm thick polyethylene
naphthalate (PEN) films by femtosecond laser micro-lens array (MLA) lithography. The …

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 …

Increased frequency shifts in high aspect ratio terahertz split ring resonators

SY Chiam, R Singh, J Gu, J Han, W Zhang… - Applied Physics …, 2009 - pubs.aip.org
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 …

[HTML][HTML] Role of resonance modes on terahertz metamaterials based thin film sensors

M Islam, SJM Rao, G Kumar, BP Pal… - Scientific reports, 2017 - nature.com
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 …

Fabrication of terahertz metamaterials by laser printing

H Kim, JS Melinger, A Khachatrian, NA Charipar… - Optics letters, 2010 - opg.optica.org
A laser printing technique was used to fabricate split-ring resonators (SRRs) on Si
substrates for terahertz (THz) metamaterials and their resonance behavior evaluated by THz …

Ultra-high Q even eigenmode resonance in terahertz metamaterials

I Al-Naib, Y Yang, MM Dignam, W Zhang… - Applied Physics …, 2015 - pubs.aip.org
We report the simultaneous excitation of the odd and the even eigenmode resonances in a
periodic array of square split-ring resonators, with four resonators per unit cell. When the …

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 …

Sensing viruses using terahertz nano-gap metamaterials

SJ Park, SH Cha, GA Shin, YH Ahn - Biomedical optics express, 2017 - opg.optica.org
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 …