Title :
Fibre-optic vibration probe
Author :
Laming, R.I. ; Gold, M.P. ; Payne, D.N. ; Halliwell, N.A.
Author_Institution :
University of Southampton, Department of Electronics & Information Engineering, Southampton, UK
Abstract :
A practical all-fibre laser vibrometer is described. The design has been optimised for hand-held use and incorporates a frequency-scanned laser diode and a single-mode optical fibre coupler. The vibration information is extracted by a pseudoheterodyne technique.
Keywords :
fibre optic sensors; laser velocimetry; vibration measurement; fibre optic vibrometer; frequency-scanned laser diode; hand-held use; laser Doppler velocimetry; pseudo-heterodyne technique; single-mode optical fibre coupler; vibration probe;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19860117