Active control of nanodielectric‐induced THz quasi‐BIC in flexible metasurfaces: a platform for modulation and sensing

TCW Tan, YK Srivastava, RT Ako, W Wang… - Advanced …, 2021 - Wiley Online Library
A bound state in the continuum (BIC) is a nonradiating state of light embedded in the
continuum of propagating modes providing drastic enhancement of the electromagnetic field …

Periodic array-based substrates for surface-enhanced infrared spectroscopy

TG Mayerhöfer, J Popp - Nanophotonics, 2018 - degruyter.com
At the beginning of the 1980s, the first reports of surface-enhanced infrared spectroscopy
(SEIRS) surfaced. Probably due to signal-enhancement factors of only 101 to 103, which are …

Hole-mask colloidal nanolithography for large-area low-cost metamaterials and antenna-assisted surface-enhanced infrared absorption substrates

S Cataldo, J Zhao, F Neubrech, B Frank, C Zhang… - ACS …, 2012 - ACS Publications
We use low-cost hole-mask colloidal nanolithography to manufacture large-area resonant
split-ring metamaterials and measure their infrared optical properties. This novel substrate is …

Nanoscale imaging of plasmonic hot spots and dark modes with the photothermal-induced resonance technique

B Lahiri, G Holland, V Aksyuk, A Centrone - Nano letters, 2013 - ACS Publications
The collective oscillation of conduction electrons, responsible for the localized surface
plasmon resonances, enables engineering nanomaterials by tuning their optical response …

Synthesis and surface plasmonic characterization of asymmetric Au split nanorings

MN Haddadnezhad, S Yoo, J Kim, JM Kim, J Son… - Nano …, 2020 - ACS Publications
In this Letter, a rational and stepwise method for the solution-phase synthesis of asymmetric
Au split nanorings by adopting Au nanoprisms as a template has been demonstrated. The …

Large‐Area Low‐Cost Plasmonic Nanostructures in the NIR for Fano Resonant Sensing

J Zhao, C Zhang, PV Braun, H Giessen - Advanced Materials, 2012 - Wiley Online Library
Plasmonics has recently received a tremendous amount of attention, in particular, due to its
potential for generating exceptionally large optical field enhancements in cubic-nanometer …

Surface plasmon damping effects due to Ti adhesion layer in individual gold nanodisks

DT Debu, PK Ghosh, D French… - Optical Materials Express, 2016 - opg.optica.org
The adhesion layer used in nanofabrication process of metallic nanostructures affects the
surface plasmon modes. We characterize the localized surface plasmon resonances (SPRs) …

[PDF][PDF] Nanoscale imaging and spectroscopy of plasmonic modes with the PTIR technique

AM Katzenmeyer, J Chae, R Kasica, G Holland… - Adv. Opt …, 2014 - academia.edu
The collective oscillation of conduction electrons in plasmonic nanomaterials allows the
coupling of propagating light waves with nanoscale volumes of matter (“hot spots”) and …

Multifrequency investigation of single-and double-stranded DNA with scalable metamaterial-based THz biosensors

C Weisenstein, M Richter, AK Wigger, AK Bosserhoff… - Biosensors, 2022 - mdpi.com
Due to the occurrence of THz-excited vibrational modes in biomacromolecules, the THz
frequency range has been identified as particularly suitable for developing and applying …

Enhanced Fano resonance of organic material films deposited on arrays of asymmetric split-ring resonators (A-SRRs)

B Lahiri, SG McMeekin, RM De La Rue… - Optics Express, 2013 - opg.optica.org
Depositing very thin organic films on the surface of arrays of asymmetric split-ring resonators
(A-SRRs) produces a shift in their resonance spectra that can be utilized for sensitive …