FIBER OPTIC SENSORS

Fiber Bragg grating sensing system for simultaneous measurement of salinity and temperature

[+] Author Affiliations
Dionisio A. Pereira, Orlando Fraza˜o

INESC Porto, UOSE, Rua do Campo Alegre 687, 4169-007?Porto, Portugal

Jose´ L. Santos

University of Porto, Departamento de Fi´sica, Faculdade de Cie?ncias, Rua do Campo Alegre 687, 4169-007?Porto, Portugal

INESC Porto, UOSE, Rua do Campo Alegre 687, 4169-007?Porto, Portugal E-mail: jlsantos@inescporto.pt ?

Opt. Eng. 43(2), 299-304 (Feb 01, 2004). doi:10.1117/1.1637903
History: Received Jun. 4, 2003; Revised Aug. 1, 2003; Accepted Aug. 18, 2003; Online March 03, 2004
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A fiber optic sensing system for simultaneous measurement of temperature and salinity based on fiber Bragg grating technology is presented. The fabrication process, which relies on chemical etching of the fibre, is described and its performance is evaluated. Theoretical and experimental results are given, which are summarized on the obtained resolutions of ±0.06°C/Hz and ±0.2/Hz for temperature and salinity, respectively. © 2004 Society of Photo-Optical Instrumentation Engineers.

© 2004 Society of Photo-Optical Instrumentation Engineers

Citation

Dionisio A. Pereira ; Orlando Fraza˜o and Jose´ L. Santos
"Fiber Bragg grating sensing system for simultaneous measurement of salinity and temperature", Opt. Eng. 43(2), 299-304 (Feb 01, 2004). ; http://dx.doi.org/10.1117/1.1637903


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