The rapid development of additive manufacturing has fueled a revolution in various research
fields and industrial applications. Among the myriad of advanced 3D printing techniques …

The field of 3D micro‐optics is rapidly expanding, and essential advances in femtosecond
laser direct‐write 3D multi‐photon lithography (MPL, also known as two‐photon or multi …

Additive manufacturing or 3D printing of materials is a prominent process technology which
involves the fabrication of materials layer-by-layer or point-by-point in a subsequent manner …

Two-photon polymerization (TPP) is a powerful and potential technology to fabricate true
three-dimensional (3D) micro/nanostructures of various materials with subdiffraction-limit …

Research into the three-dimensional nanostructuring of photopolymers by ultrashort laser
pulses has seen immense growth over the last decade. In this paper, we review the basic …

Femtosecond 3D printing has emerged as an important technology for manufacturing nano-
and microscopic optical devices and elements. Detailed knowledge of the dispersion in the …

Femtosecond laser direct writing (FsLDW) has been established as a nano-enabler to solve
problems that are otherwise not possible in diversified scientific and industrial fields …

Preclinical and clinical diagnostics increasingly rely on techniques to visualize internal
organs at high resolution via endoscopes. Miniaturized endoscopic probes are necessary …

The extremely high peak intensity associated with ultrashort pulse width of femtosecond
laser allows us to induce nonlinear interaction such as multiphoton absorption and tunneling …

A novel technique is developed to improve the resolution of two‐photon direct laser writing
lithography. Thanks to the high collimation enabled by extraordinary εNZ (near‐zero) …