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Title: Evaluation of Fiber Bragg Grating and Distributed Optical Fiber Temperature Sensors

Technical Report ·
DOI:https://doi.org/10.2172/1466685· OSTI ID:1466685
 [1]
  1. Idaho National Lab. (INL), Idaho Falls, ID (United States)

Fiber optic temperature sensors were evaluated in the High Temperature Test Lab (HTTL) to determine the accuracy of the measurements at various temperatures. A distributed temperature sensor was evaluated up to 550C and a fiber Bragg grating sensor was evaluated up to 750C. HTTL measurements indicate that there is a drift in fiber Bragg sensor over time of approximately -10C with higher accuracy at temperatures above 300C. The distributed sensor produced some bad data points at and above 500C but produced measurements with less than 2% error at increasing temperatures up to 400C

Research Organization:
Idaho National Lab. (INL), Idaho Falls, ID (United States)
Sponsoring Organization:
USDOE Office of Nuclear Energy (NE)
DOE Contract Number:
AC07-05ID14517
OSTI ID:
1466685
Report Number(s):
INL/EXT-17-41728
Country of Publication:
United Kingdom
Language:
English