Title :
New topologies for fiber laser non-contact vibrometers
Author :
Jackson, D.A. ; Posada-Roman, J.E. ; Garcia-Souto, J.A.
Author_Institution :
Appl. Opt. Group, Univ. of Kent, Canterbury, UK
Abstract :
A multichannel heterodyne fiber-optic vibrometer is demonstrated which can be expanded to support more channels using a fiber optic switch. The displacement resolution of each channel exceeds 1 nm. Initial results of a multichannel common path optical vibrometer are also reported.
Keywords :
fibre lasers; heterodyne detection; measurement by laser beam; optical switches; vibration measurement; displacement resolution; fiber laser noncontact vibrometers; fiber optic switch; multichannel common path optical vibrometer; multichannel heterodyne fiber-optic vibrometer; Fiber lasers; Optical fiber sensors; Optical fibers; Optical interferometry; Optical switches; Probes; Vibrometers; Bragg cell; common path sensors; fiber laser doppler; multi channel; optical fiber topolologies; optical switch digital processing; vibration;
Conference_Titel :
SENSORS, 2014 IEEE
Conference_Location :
Valencia
DOI :
10.1109/ICSENS.2014.6985307
