Research

in-process measurement of surface texture based on laser induced fluorescence

Distance measurement using mode controlled optical frequency comb 

Circular optical system based pico-scale grating encoder

Whispering gallery mode resonance based​ sphere measurement

Micro/nano-fiber diameter measurement

Fluorescent microscopy for 3-dimensional geometrical structure

Fabry–Pérot interferometer for nano-precise length gauge

In-process measurement of nano-thick film using evanescent light

External cavity based dimensional measurement

Laser trapping of microsphere(s)

​in air condition

Laser trapping based surface sensor for micro-CMM

Additive manufacturing with optical radiation pressure