Since the first demonstration, remarkable progress has been made in the theoretical
analysis, structural design, numerical simulation, and potential applications of metamaterial …

The terahertz (THz) wave is at the intersection between photonics and electronics in the
electromagnetic spectrum. Since the vibration mode of many biomedical molecules and the …

Chiral enantiomers have different pharmacological and pharmacokinetic characteristics. It is
important to strictly detect chiral component for avoiding being harmful to the human body …

In this paper, a dual-band metamaterial absorber in the terahertz frequencies is proposed
and its refractive index sensing characteristics is analyzed. The metamaterial structure is …

Tunable metamaterial devices have experienced explosive growth in the past decades,
driving the traditional electromagnetic (EM) devices to evolve into diversified functionalities …

This paper presents a microwave sensor using a pair of split-ring resonators (SRRs). The
sensor is designed by loading a microstrip transmission line by two identical SRRs on its …

Toroidal excitation manifests as currents flowing on the surface of a torus along its meridians
that are known as poloidal currents. Several intriguing phenomena such as nonradiating …

Abstract Engineered Terahertz (THz) metamaterials presented an unique characteristics for
biosensing application due to their accurately tunable resonance frequency, which is in …

Metamaterial elements/arrays exhibit a sensitive response to fluids yet with a small footprint,
therefore, they have been an attractive choice to realize various sensing devices when …

Terahertz (THz) waves, which fall between microwaves and infrared bands, possess
intriguing electromagnetic properties of non-ionizing radiation, low photon energy, being …