Optical metasurfaces with subwavelength thickness hold considerable promise for future
advances in fundamental optics and novel optical applications due to their unprecedented …

The resolution of conventional optical elements and systems has long been perceived to
satisfy the classic Rayleigh criterion. Paramount efforts have been made to develop different …

Highly efficient counter-propagating fiber-based optical traps are presented which utilize
converging beams from fibers with 3D printed diffractive Fresnel lenses on their facet. The …

Conventional optical fiber has excellent performance in guiding light, which has been widely
employed for long-distance optical communication. Although the optical fiber is efficient for …

The development of economical optical devices with a reduced footprint foreseeing
manipulation, sorting and detection of single cells and other micro particles have been …

By decomposing a linearly polarized light field in terms of plane waves, the elliptic intensity
distribution across the focal spot is shown to be determined by the E-vector's longitudinal …