2 papers
physics.optics2022
Noncontact measurement method of linear and angular displacement based on dual-beam feedback interferometric system
Xin Xu, Zongren Dai, Yidong Tan
This study describes a unique optical approach for the noncontact measurement of linear and angular displacement. Compared to previous methods, the sensor system here based on the…
physics.optics2021
High sensitivity and full-circle optical rotary sensor for non-cooperatively tracing wrist tremor with nanoradian resolution
Xin Xu, Zongren Dai, Yifan Wang +2
An optical rotary sensor based on laser self-mixing interferometry is proposed, which enables noncontact and full-circle rotation measurement of non-cooperative targets with high r…