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.


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    Title :

    Strain response of fibre Bragg grating sensors at cryogenic temperatures


    Contributors:
    James, S.W. (author) / Tatam, R.P. (author) / Twin, A. (author) / Morgan, M. (author) / Noonan, P. (author)


    Publication date :

    2002-01-01


    Size :

    353318 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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