[1] [1] Hecht J, Long L. Understanding Fiber Optics[M]. 3rd Ed., New Jersey: Prentice Hall,1998.

[2] [2] Davis C M. Fiber optic sensors: an overview[J]. Optical Engin., 1985, 24(2): 242347.

[3] [3] Udd E. Fiber Optic Sensors: An Introduction for Engineers and Scientists[M]. New York: John Wiley & Sons Inc., 1991.

[4] [4] Dandridge A. Fiber Optic Sensors: An Introduction for Engineers and Scientists[M]. New York: John Wiley & Sons Inc., 1991.

[5] [5] Donlagic D, Zavrsnik M. Fiber-optic microbend sensor structure[J]. Opt. Lett., 1997, 22(11): 837-839.

[9] [9] Mohammed W S, Mehta A, Johnson E G. Wavelength tunable fiber lens based on multimode interference[J]. J. of Lightwave Technol., 2004, 22(2): 469-477.

[11] [11] Handawi A K, et al. Strain based FBG sensor for real-time corrosion rate monitoring in pre-stressed structures[J]. Sensors and Actuators B: Chemical, 2016, 236: 276-285.

[13] [13] Homola J. Surface plasmon resonance sensors for detection of chemical and biological species[J]. Chemical Reviews, 2008, 108(2): 462-493.

[15] [15] Choi H Y, Park K S, Park S J, et al. Miniature fiber-optic high temperature sensor based on a hybrid structured Fabry-Perot interferometer[J]. Opt. Lett., 2008, 33(21): 2455.

[16] [16] W D K C, Kuhlmey B T, Eggleton B J. Ultrasensitive photonic crystal fiber refractive index sensor[J]. Opt. Lett., 2009, 34(3): 322.