This paper provides a systematic review of some methods for the simultaneous
measurement of strain and temperature based on Fibre Bragg Grating (FBG) sensor.
They are photo-generated in-fibre gratings, hybrid FBG/LPG (longperiod grating), two
FBGs, a single changed FBG and superstructure fibre grating. The principle and
accuracy of each type of measurement method are discussed. The unsolved problems are
also discussed.
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