Packaged FBG based optical fiber sensor for simultaneous pressure and temperature monitoring

Ji-Ying Huang; Jan Van Roosbroeck; Johan Vlekken; Eric Daerden; Antonio Bueno Martinez; Thomas Geernaert; Francis Berghmans; Bram Van Hoe; Eric Lindner; Christophe Caucheteur

doi:10.1117/12.2305095

14 May 2018 Packaged FBG based optical fiber sensor for simultaneous pressure and temperature monitoring

Ji-Ying Huang, Jan Van Roosbroeck, Johan Vlekken, Eric Daerden, Antonio Bueno Martinez, Thomas Geernaert, Francis Berghmans, Bram Van Hoe, Eric Lindner, Christophe Caucheteur

Author Affiliations +

Proceedings Volume 10654, Fiber Optic Sensors and Applications XV; 1065409 (2018) https://doi.org/10.1117/12.2305095
Event: SPIE Commercial + Scientific Sensing and Imaging, 2018, Orlando, FL, United States

Abstract

In this paper, a packaged FBG based optical fiber sensor written by femtosecond laser pulses in highly birefringent micro-structured optical fiber (MS-FBG sensor) is presented and validated for simultaneous pressure and temperature monitoring. The MS-FBG sensor is capable of separating the temperature information from pressure information without the need for an additional transduction mechanism and this with a negligible pressure-temperature cross-sensitivity. However, in order to use the sensor for downhole applications, a ruggedized sensor housing is required that not only offers mechanical protection to the fiber, but also provides pressure transfer from the well fluid to the sensing element without inducing an additional pressure-temperature cross-sensitivity. In this article, the design of the sensor housing is reported as well as the lab-scale validation up to a temperature and pressure of 150 °C and 700 bar, respectively.

Conference Presentation

Citation Download Citation

Ji-Ying Huang, Jan Van Roosbroeck, Johan Vlekken, Eric Daerden, Antonio Bueno Martinez, Thomas Geernaert, Francis Berghmans, Bram Van Hoe, Eric Lindner, and Christophe Caucheteur "Packaged FBG based optical fiber sensor for simultaneous pressure and temperature monitoring", Proc. SPIE 10654, Fiber Optic Sensors and Applications XV, 1065409 (14 May 2018); https://doi.org/10.1117/12.2305095

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