A calibration method based on look-up-table for cryogenic temperature fiber Bragg grating sensors

Andrea Saccomanno; Giovanni Breglio; Andrea Irace; Marta Bajko; Zoltan Szillasi; Salvatore Buontempo; Michele Giordano; Andrea Cusano

doi:10.1117/12.915897

30 January 2012 A calibration method based on look-up-table for cryogenic temperature fiber Bragg grating sensors

Andrea Saccomanno, Giovanni Breglio, Andrea Irace, Marta Bajko, Zoltan Szillasi, Salvatore Buontempo, Michele Giordano, Andrea Cusano

Author Affiliations +

Proceedings Volume 8351, Third Asia Pacific Optical Sensors Conference; 83513C (2012) https://doi.org/10.1117/12.915897
Event: Asia Pacific Optical Sensors Conference, 2012, Sydney, Australia

Abstract

A calibration method for fiber Bragg grating (FBG) cryogenic temperature sensors based on look-up-table was proposed and demonstrated experimentally. The operating principles of different kind of FBG cryogenic temperature sensors are introduced. A statistical characterization of the data was carried out to verify the quasi-static condition of the measurement system by checking the stability of the measurement. Once verified this condition, the sensitivity curves of the sensors were determined by correlating the wavelength shift of the FBGs with the reference sensor measurements. On the basis of the sensitivity curves, the look-up-table (LUT) have been determined. The experimental data shows that the LUT fitting approach provides good and reliable performance in terms of accuracy and processing time.

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Andrea Saccomanno, Giovanni Breglio, Andrea Irace, Marta Bajko, Zoltan Szillasi, Salvatore Buontempo, Michele Giordano, and Andrea Cusano "A calibration method based on look-up-table for cryogenic temperature fiber Bragg grating sensors", Proc. SPIE 8351, Third Asia Pacific Optical Sensors Conference, 83513C (30 January 2012); https://doi.org/10.1117/12.915897

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