Title :
Optical heterodyne micro-vibration measurement based on all-fiber acousto-optic frequency shifter
Author :
Ligang Huang ; Weihua Peng ; Wending Zhang ; Feng Gao ; Fang Bo ; Guoquan Zhang ; Jingjun Xu
Author_Institution :
MOE Key Lab. of Weak-Light Nonlinear Photonics, Nankai Univ., Tianjin, China
Abstract :
We provide an optical heterodyne detection configuration based on an all-fiber acousto-optic structure, which acts as both frequency shifter and coupler simultaneously, with a resolution of 0.01 nm from 10 kHz to 90 kHz.
Keywords :
acousto-optical devices; fibre optic sensors; heterodyne detection; micro-optics; optical fibre couplers; photodetectors; vibration measurement; all-fiber acousto-optic coupler; all-fiber acousto-optic frequency shifter; frequency 10 kHz to 90 kHz; optical heterodyne detection configuration; optical heterodyne micro-vibration measurement; Frequency measurement; Optical buffering; Optical fiber sensors; Optical fibers; Optical mixing; Vibrations;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
