Small composite objects, known as Janus particles, drive sustained scientific interest
primarily targeted at biomedical applications, where such objects act as micro-or nanoscale …

Optically induced mechanical torque driving rotation of small objects requires the presence
of absorption or breaking cylindrical symmetry of a scatterer. A spherical nonabsorbing …

A specular-reflection photonic nanojet (s-PNJ) is a specific type of optical near-field
subwavelength spatial localization originated from the constructive interference of direct and …

Optical tweezers have been widely used for optical trapping and manipulating particles at
the microscopic scale with a tightly focused laser beam. Over the recent years, optical fiber …

The physical origin of subwavelength photonic nanojet in specular-reflection mode (s-PNJ)
is theoretically considered. This specific type of photonic nanojet (PNJ) emerges upon …

The parameters that determine the manipulation of nanoparticles depend on the parameters
of the illuminating optical field. This leads to a number of fundamental limitations. For …

Optical tweezers have revolutionized the manipulation of nanoscale objects, offering
versatile control over trapped particles. Typically, the manipulation and trapping capabilities …

The current study aims at comparing the impact of both the interparticle separation (g) and
the longitudinal shift (h) on the plasmonic coupling features in a homodimer composed from …

The physical origins of the transverse optical binding force and torque beyond the Rayleigh
approximation have not been clearly expressed to date. Here, we present analytical …

In the past few years, it has shown that photonic jet–a high-intensity near-field focus can be
curved through focusing of an asymmetric mesoscale dielectric particle. This unique …