Simultaneous measurement of temperature and humidity with microstructured polymer optical fiber Bragg gratings

Getinet Woyessa; Jens Kristian Mølgaard Pedersen; Andrea Fasano; Kristian Nielsen; Christos Markos; Henrik Koblitz Rasmussen; Ole Bang

doi:10.1117/12.2265884

23 April 2017 Simultaneous measurement of temperature and humidity with microstructured polymer optical fiber Bragg gratings

Getinet Woyessa, Jens Kristian Mølgaard Pedersen, Andrea Fasano, Kristian Nielsen, Christos Markos, Henrik Koblitz Rasmussen, Ole Bang

Author Affiliations +

Proceedings Volume 10323, 25th International Conference on Optical Fiber Sensors; 103234T (2017) https://doi.org/10.1117/12.2265884
Event: 25th International Conference on Optical Fiber Sensors, 2017, Jeju, Korea, Republic of

Abstract

A microstructured polymer optical fiber (mPOF) Bragg grating sensor system for the simultaneous measurement of temperature and relative humidity (RH) has been developed and characterized. The sensing head is based on two in-line fiber Bragg gratings recorded in a mPOF. The sensor system has a root mean square deviation of 1.04 % RH and 0.8 °C in the range 10 to 90% RH and 20 to 80 °C. The proposed sensor system is easy to fabricate, cheap and compact.

Citation Download Citation

Getinet Woyessa, Jens Kristian Mølgaard Pedersen, Andrea Fasano, Kristian Nielsen, Christos Markos, Henrik Koblitz Rasmussen, and Ole Bang "Simultaneous measurement of temperature and humidity with microstructured polymer optical fiber Bragg gratings", Proc. SPIE 10323, 25th International Conference on Optical Fiber Sensors, 103234T (23 April 2017); https://doi.org/10.1117/12.2265884

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