Single-mode optical fibre thermocoupler based on regenerated fibre Bragg gratings evaluated at ~1500 ºC

Mattias L. Åslund; John Canning; Hongyan Fu; Hwayaw Tam

doi:10.1117/12.867066

14 October 2010 Single-mode optical fibre thermocoupler based on regenerated fibre Bragg gratings evaluated at ~1500 °C

Mattias L. Åslund, John Canning, Hongyan Fu, Hwayaw Tam

Proceedings Volume 7839, 2nd Workshop on Specialty Optical Fibers and Their Applications (WSOF-2); 78391F (2010) https://doi.org/10.1117/12.867066
Event: Workshop on Specialty Optical Fibers and Their Applications (WSOF-10), 2010, Oaxaca, Mexico

Abstract

The viability of an all-optical fibre optical thermocoupler for remote sensing of ultra-high temperatures, independent of electronics, is explored. Simple packaging of regenerated fibre Bragg gratings (FBGs) within silica capillaries were shown to protect the fibre structure sufficiently to allow the temperature measurement of a furnace element to >1500 °C; a temperature at which the regenerated FBG, which was written in relatively soft boron-codoped germano silicate glass, was shown to decay rapidly.

Citation Download Citation

Mattias L. Åslund, John Canning, Hongyan Fu, and Hwayaw Tam "Single-mode optical fibre thermocoupler based on regenerated fibre Bragg gratings evaluated at ~1500 °C", Proc. SPIE 7839, 2nd Workshop on Specialty Optical Fibers and Their Applications (WSOF-2), 78391F (14 October 2010); https://doi.org/10.1117/12.867066

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