Title :
Fibre laser sensor with ultrahigh strain resolution using interferometric interrogation
Author :
Koo, K.P. ; Kersey, A.D.
Author_Institution :
Div. of Opt. Sci., Naval Res. Lab., Washington, DC, USA
fDate :
7/6/1995 12:00:00 AM
Abstract :
A fibre Bragg grating based laser sensor system with an RMS strain resolution of 5.6×1014/√Hz at 7 kHz is reported. An interferometric readout technique is used to determine strain induced wavelength shifts in the laser with high resolution
Keywords :
diffraction gratings; fibre optic sensors; light interferometry; measurement by laser beam; strain measurement; strain sensors; 7 kHz; RMS strain resolution; fibre Bragg grating based laser sensor system; fibre laser sensor; high resolution; interferometric interrogation; interferometric readout technique; strain induced wavelength shifts; ultrahigh strain resolution;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19950811
