The flat endface of an optical fiber tip is an emerging light-coupled microscopic platform that
combines fiber optics with planar micro-and nanotechnologies. Since different materials and …

Strong focusing on diffraction-limited spots is essential for many photonic applications and is
particularly relevant for optical trapping; however, all currently used approaches fail to …

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 …

Optical fibers and lenses are key components in many optical systems. Lenses used to
couple light into the fiber or to tailor the output beam coming out from the fiber itself typically …

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 …

Nanoimprint lithography (NIL) is a high-throughput and cost-effective technique for
fabricating nanoscale features. However, the fine tuning of NIL process parameters is critical …

Soft lithography is one of the most promising nanofabrication technologies for scalable
nanomanufacturing. It uses flexible molds or stamps to fabricate extremely high-resolution …

Biomimetic micro-and nano-structures have attracted considerable interest over the last
decades for various applications ranging from optics to life sciences. The complex nature of …

A novel optical polymer with a high refractive index (n= 1.707 at 590 nm) was developed
consisting of episulfide and thiol bifunctional monomers. The episulfide derivative of 9, 9-bis …