A novel large-stage atomic force microscope (AFM) for nondestructive characterization of optical thin films is built. An......

We present a novel homodyne frequency-shifting interference pattern locking system to enhance the exposure contrast of i......

A new polarization lidar has been developed for detecting depolarization characteristics of aerosol and cirrus over Hefe......

We demonstrated the measurements of attenuation constant of a multi-mode fiber with 300-micron core diameter and 1-km le......

Using lock-in amplifer and proportional, integral, and derivative (PID) electric circuit, the frequency of diode laser i......