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 …

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 …

Hybrid photonic integration combines complementary advantages of different material
platforms, offering superior performance and flexibility compared with monolithic …

Micro-optics are widely used in numerous applications, such as beam shaping, collimation,
focusing and imaging. We use femtosecond 3D printing to manufacture free-form micro …

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 …

The flat tip of an optical fiber is a unique and unconventional platform for micro and
nanotechnologies. The small cross‐section and large aspect ratio of the fiber provide an …

Optofluidic microsystems are key components towards lab-on-a-chip devices for
manipulation and analysis of biological specimens. In particular, the integration of optical …

The refractive indices of photoresists used for direct laser writing (DLW) have been
determined after exposure to ultraviolet (UV) light. However, it was anticipated that the …

Carbon dioxide (CO 2) sensors play important roles in our daily life and production activities.
However, it remains a challenge to develop a tiny device with remote sensing capability for …

Ultrafast lasers are proven and continually evolving manufacturing tools. Concurrently,
additive manufacturing (AM) has emerged as a key area of interest for 3D fabrication of …