The ability of metallic nanostructures to confine light at the sub-wavelength scale enables
new perspectives and opportunities in the field of nanotechnology. Making use of this …

Nanoaperture optical tweezers are emerging as useful label-free, free-solution tools for the
detection and identification of biological molecules and their interactions at the single …

We report on the first demonstration of a proof-of-principle optical fiber 'meta-tip', which
integrates a phase-gradient plasmonic metasurface on the fiber tip. For illustration and …

Optical tweezers use the momentum carried by light to exert forces on objects. They have
had a profound impact on a truly diverse range of scientific fields, from biology to …

Nanoaperture optical tweezers extend the range of optical tweezers to dielectric particles
below 50 nm in size. This allows for optical trapping of proteins, DNA fragments and other …

Optical manipulation and detection of nanoscale biospecimen such as organic
nanoparticles, biomolecules, bacterial viruses, and subcellular nanostructures, is crucial in …

Abstract Development of reliable, sensitive, selective, and miniaturized sensing
technologies is critical for health assessment and early diagnosis and treatment of …

Recent developments in fiber-optic sensing have involved booming research in the design
and manufacturing of novel micro-structured optical fiber devices. From the conventional …

Optical traps based on strongly confined electromagnetic fields at metal–dielectric interfaces
are far more efficient than conventional optical tweezers. Specifically, these near-field …

Single molecule approaches provide rich real-time dynamics of molecular interactions that
are not accessible to ensemble measurements. Previous single molecule studies have …