CHEN Xi, YAO Jian-quan, CHEN Hui. Research development of simultaneous temperature and strain measurements using fiber gratings[J]. 2013, 32(9): 1-4+15.
CHEN Xi, YAO Jian-quan, CHEN Hui. Research development of simultaneous temperature and strain measurements using fiber gratings[J]. 2013, 32(9): 1-4+15. DOI: 10.13873/j.1000-97872013.09.029.
Basic principle of temperature and strain fiber grating sensors are introduced.Current common experimental methods are classified.Reference fiber grating method
double wavelength grid method
combination of fiber Bragg grating(FBG)and long period grating method
grating to different cladding diameter method
fiber core doped method and fiber grating F-P cavity method are briefly introduced
each scheme is analyzed in detail
the advantages and disadvantages and improvement direction are discussed.