[1] [1] I. Riant. Fiber Bragg gratings for optical telecommunications［J］. Comptes Rendus Physique, 2003, 4(1): 41～49

[2] [2] Y. J. Rao. In-fibre Bragg grating sensors［J］. Meas. Sci. Technol., 1997, 8(4): 355～375

[3] [3] V. Bhatia, A. M. Vengsarkar. Optical fiber long-period grating sensors［J］. Opt. Lett., 1996, 21(9): 692～694

[4] [4] M. K. Pandit, K. S. Chiang, Z. H. Chen et al.. Tunable long-period fiber gratings for EDFA gain and ASE equalization［J］. Microwave and Optical Technology Letters, 2000, 25(3): 181～184

[5] [5] Zhang Zijia. Fiber Grating Theoretical Basis and Sensing Technology［M］. Beijing: Science and Technology Press, 2009. 97～100

[6] [6] V. Mizrahi, T. Erdogan, D. J. DiGiovanni et al.. Four channel fiber grating demultiplexer［J］. Electron. Lett., 1994, 30(10): 780～781

[7] [7] Y. G. Han, B. H. Lee, W. Han et al.. Controllable transmission characteristics of multi-channel long period fiber gratings［J］. IEICE Trans. Electron., 2001, E84-C(5): 610～614

[8] [8] B. H. Lee, J. Nishii. Bending sensitivity of in-series long-period fiber gratings［J］. Opt. Lett., 1998, 23(2): 1624～1626

[9] [9] Yin Guolu, Lou Shuqin, Peng Wanjing et al.. Sensitivity of fiber Bragg grating-based Fabry-Pérot interferometric sensor［J］. Chinese J. Lasers, 2010, 37(6): 1490～1495

[10] [10] Fan Fan, Zhao Jianlin, Wen Xixing et al.. Sensitivity analysis on strain sensor based on Fabry-Perot interferometer with intensity interrogation［J］. Chinese J. Lasers, 2010, 37(6): 1525～1531

[11] [11] Zhang Le, Wu Bo, Ye Wen et al.. Highly sensitive fiber-optic vibration sensor based on frequency-locking of a FBG Fabry-Perot cavity［J］. Acta Optica Sinica, 2011, 31(4): 0406006

[12] [12] Tian Li, Zhang Ailing. Dual wavelength filtering properties of phase-shifted fiber Bragg grating and sampled fiber Bragg grating［J］. Chinese J. Lasers, 2010, 37(11): 2896～2900

[13] [13] M. Han, F. W. Guo, Y. F. Lu. Optical fiber refractometer based on cladding-mode Bragg grating［J］. Opt. Lett., 2010, 35(3): 399～401

[14] [14] A. P. Zhang, X. M. Tao. Cladding-mode-assisted recouplings in concatenated long-period and fiber Bragg gratings［J］. Opt. Lett., 2002, 27(14): 1214～1216

[15] [15] D. Sáez-Rodriguez, J. L. Cruz, A. Díez et al.. Coupling between counterpropagating cladding modes in fiber Bragg gratings［J］. Opt. Lett., 2011, 36(8): 1518～1520

[16] [16] R. Hou, Z. Ghassemlooy, A. Hassan et al.. Modelling of long-period fiber grating response to reflective index higher than that of cladding［J］. Meas. Sci. Technol., 2001, 12(10): 1709～1713

[17] [17] Z. T. Gu, Y. P. Xu, K. Gao. Optical fiber long-period grating with sol-gel coating for gas sensor［J］. Opt. Lett., 2006, 31(16): 2405～2407

[18] [18] Z. T. Gu, Y. P. Xu. Design optimization of a long-period fiber grating with sol-gel coating for a gas sensor［J］. Meas. Sci. Technol., 2007, 18(11): 3530～3536

[19] [19] T. Erdogan. Cladding-mode resonances in short- and long-period fiber grating filters［J］. J. Opt. Soc. Am. A, 1997, 14(8): 1760～1773

[20] [20] T. Erdogan. Fiber grating spectra［J］. J. Lightwave Technol., 1997, 15(8): 1277～1294

[21] [21] F. Abrishamian, Y. Nakai, S. Sato et al.. An efficient approach for calculating the refiection and transmission spectra of fiber Bragg gratings with acoustically induced microbending［J］. Optical Fiber Technology, 2007, 13(1): 32～38

[22] [22] D. R. Nicholas, W. J. Stephen, P. T. Ralph et al.. Optical fiber long-period gratings with Langmuir-Blodgett thin-film overlays［J］. Opt. Lett., 2002, 27(9): 686～688