Infrared (IR) adaptation phenomena are ubiquitous in nature and biological systems. Taking
inspiration from natural creatures, researchers have devoted extensive efforts for develo** …

Optically variable devices (OVDs) are in tremendous demand as optical indicators against
the increasing threat of counterfeiting. Conventional OVDs are exposed to the danger of …

Terahertz functional devices have been instrumental in the development of terahertz
technology. Moreover, the advent of metamaterials has greatly contributed to the …

Long wavelength infrared (LWIR) wideband absorption is an important target in the research
of middle infrared band. In this work, we study the absorption characteristics of Cr-Ge-Si 3 N …

An ideal solar-thermal absorber requires efficient selective absorption with a tunable
bandwidth, excellent thermal conductivity and stability, and a simple structure for effective …

Ultrathin dielectric gaps between metals can trap plasmonic optical modes with surprisingly
low loss and with volumes below 1 nm3. We review the origin and subtle properties of these …

Surface-enhanced Raman spectroscopy (SERS) and related spectroscopies are powered
primarily by the concentration of the electromagnetic (EM) fields associated with light in or …

This work reviews fundamentals and the recent state-of-art achievements in the field of
plasmonic biosensing based terahertz (THz) spectroscopy. Being nonpoisonous and …

Core–shell nanoparticles are at the leading edge of the hot research topics and offer a wide
range of applications in optics, biomedicine, environmental science, materials, catalysis …

Metasurfaces are ultrathin metamaterials consisting of planar electromagnetic (EM)
microstructures (eg, meta-atoms) with pre-determined EM responses arranged in specific …