Title :
White-light interferometric fiber-optic pressure sensor
Author :
Bock, Wojtek J. ; Urbanczyk, Waclaw ; Wojcik, Jan ; Beaulieu, Mario
Author_Institution :
Lab. d´´Optoelectron., Quebec Univ., Hull, Que., Canada
Abstract :
A novel configuration for a fiber-optic white-light interferometric sensor is presented which allows for absolute measurements of hydrostatic pressure with an improved operation range. The performance of two fibers (York bow-tie 800 and especially designed elliptical-core side-hole fiber) used as sensing elements was experimentally studied. The sensor itself was composed of two equal lengths of the fiber spliced at 90°. This structure assures temperature compensation and enables application of a Wollaston prism as a receiving interferometer. A step delay line made of crystalline quartz was used to increase the operation range of the sensor
Keywords :
delay lines; fibre optic sensors; hydrostatics; light interferometry; pressure measurement; pressure sensors; Wollaston prism; York bow-tie 800; absolute measurement; crystalline quartz; elliptical-core side-hole fiber; fiber-optic white-light interferometric sensor; hydrostatic pressure; pressure sensor; receiving interferometer; spliced fibre; step delay line; temperature compensation; Crystallization; Delay lines; Mechanical sensors; Optical fiber devices; Optical fiber polarization; Optical fiber sensors; Optical fibers; Optical interferometry; Pressure measurement; Temperature sensors;
Conference_Titel :
Instrumentation and Measurement Technology Conference, 1994. IMTC/94. Conference Proceedings. 10th Anniversary. Advanced Technologies in I & M., 1994 IEEE
Conference_Location :
Hamamatsu
Print_ISBN :
0-7803-1880-3
DOI :
10.1109/IMTC.1994.352038
