Visualization 1.mp4 Wei Peng 10.6084/m9.figshare.10104641.v1 https://opticapublishing.figshare.com/articles/media/Visualization_1_mp4/10104641 A piece of music recorded by the common-path three-wavelength cavity length demodulation system. 2019-11-04 20:51:19 Optical Sensors, Measurements, and Metrology