Temperature and pressure transducer based on FBG for large diameter water pipes
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AuthorQuintela Incera, Antonio; Pallol Pérez, María José; Shokry Girgis Roufael, Hany; Martínez García, Óscar; San Emeterio Diego, José Domingo; López Higuera, José Miguel
© 2014 Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic electronic or print reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
Proceedings of SPIE, 2014, vol. 9157, 91570R
23rd International Conference on Optical Fibre Sensors, Santander, 2014
SPIE Society of Photo-Optical Instrumentation Engineers
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Fiber Bragg grating
A specific temperature and pressure optical fiber transducer is presented in this paper. By using a customized fiber reinforced plastic membrane with embedded Fiber Bragg Gratings, the fluid pressure and temperatures changes are converted in optical wavelength displacements. The membrane and the transducer custom design allows a suitable measurand discrimination. The transducer is implemented, characterized and calibrated. Its feasibility to be used on large diameter water pipes has been successfully validated by means of field trials. Many of these transducers will be optically multiplexed to monitoring these infrastructures.