Multiplexed regenerated Fiber Bragg Gratings for high temperature measurement

G. Laffont; R. Cotillard; P. Ferdinand

doi:10.1117/12.970624

17 October 2012 Multiplexed regenerated Fiber Bragg Gratings for high temperature measurement

G. Laffont, R. Cotillard, P. Ferdinand

Proceedings Volume 8421, OFS2012 22nd International Conference on Optical Fiber Sensors; 842123 (2012) https://doi.org/10.1117/12.970624
Event: OFS2012 22nd International Conference on Optical Fiber Sensor, 2012, Beijing, China

Abstract

High temperature gradient of a conventional tubular furnace is characterized using a single fiber sensing line with wavelength-multiplexed short-length regenerated Fiber Bragg Gratings. The multiplexed gratings are simultaneously regenerated using a high temperature annealing process. Temperature calibration from ambient temperature up to 850°C is conducted leading to a standard deviation of 0.33°C after polynomial fitting of the wavelength shift with temperature.

Citation Download Citation

G. Laffont, R. Cotillard, and P. Ferdinand "Multiplexed regenerated Fiber Bragg Gratings for high temperature measurement", Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 842123 (17 October 2012); https://doi.org/10.1117/12.970624

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