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 …

We theoretically and experimentally demonstrate a label-free terahertz biosensor with
ultrahigh sensitivity and distinctive discretion. By constructing a metal-air-metal (MAM) …

Spatial overlap between the electromagnetic fields and the analytes is a key factor for strong
light‐matter interaction leading to high sensitivity for label‐free refractive index sensing …

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 fingerprint spectral response of several materials with terahertz electromagnetic
radiation indicates that terahertz technology is an effective tool for sensing applications …

Metamaterial absorbers (MAs) serve as important electromagnetic wave-absorbing devices
that have captured the attention of researchers for a long term. Functioning as sensitive …

Planar metasurfaces and metamaterial absorbers have shown great promise for label-free
sensing applications at microwaves, optical and terahertz frequencies. The realization of …

We report the simulation, fabrication, and experimental characterization of a multichannel
metamaterial absorber with the aim to be used as a label-free sensing platform in the …

Terahertz (THz) radiation attracted great interest in the fields of material characterization,
nondestructive security screening, clinical diagnostics, and identification of chemicals and …