Yiran Li

Experimental realization of a 2 × 2 polarization-independent split-ratio-tunable optical beam splitter

2016 · Optics Express

We realized a polarization-independent split-ratio-tunable optical beam splitter supporting two input and output ports through a stable interferometer. By adjusting the angle of a half-wave plate in the interferometer, we can tune the beam splitter …

Anlysis and Design of Activity Degree Monitoring Algorithm

2019

DAU (Daily Active User) is the number of daily active users, often used to reflect the operation of websites, Internet APPs and games [1]. DAU usually counts the number of users who have logged in …