The temperature and strain responses of fibre Bragg grating (FBG) sensors were assessed in comparison with resistive foil gauges over a temperature range of 300 K to 2.2 K. The temperature sensitivity of the FBGs was observed to decrease significantly with decreasing temperature, offering the prospect of temperature insensitive strain measurement in cryogenic environments. The FBG strain response was found to be independent of temperature.
Strain response of fibre Bragg grating sensors at cryogenic temperatures
2002-01-01
353318 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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