[1] [1] Song Yun, Zhu Tao, Rao Yunjing et al.. Simultaneous measurement of strain and temperature using a long-period fiber grating with rotary refractive index modulation[J]. Chinese J. Lasers, 2009, 36(5): 1129～1133

[2] [2] Miao Yinping, Liu Bo, Zhao Qida et al.. Simultaneous measurement of bending-curvature and temperature using single tilted fiber Bragg grating[J]. Chinese J. Lasers, 2009, 36(9): 2388～2392

[3] [3] S. Yamasaki, M. Akiyama, K. Nishide et al.. Characteristics of long period fiber grating utilizing periodic stress relaxation under high temperature environment[C]. SPIE, 1999, 3746: 385～388

[4] [4] T. Enomoto, M. Shigehara, S. Ishikawa et al.. Long-period fiber grating in a pure-silica-core fiber written by residual stress relaxation[C]. Proc. Optical Fiber Communication (OFC), 1998, San Diego, CA, ThG2: 277～278

[5] [5] B. H. Kim, Y. Park, T. J. Ahn et al.. Residual stress relaxation in the core of optical fiber by CO2 laser irradiation[J]. Opt. Lett., 2001, 26(21): 1657～1659

[6] [6] Y. Park, K. Oh, U. C. Pack et al.. Residual stress in a doubly clad fiber with depressed inner cladding (DIC)[J]. J. Lightwave Technol., 1999, 17(10): 1823～1834

[7] [7] Y. Pack, T. J. Ahn, Y. H. Kim et al.. Novel technique for measuring the residual stress and the photoelastic effect profile of an optical fiber[C]. Proc. Optical Fiber Communication (OFC), 2001, TuM4: 37～39

[8] [8] Y. Ishii, S. Okude, K. Nishide et al.. PDL reduction of long-period fiber grating by rotating exposure method[C]. Proc. 27th Eur. Conf. on Opt. Commun., 2001, 3: 354～355

[9] [9] V. Grubsky, J. Feinberg. Fabrication of axially symmetric long-period fiber gratings with a carbon dioxide laser[J]. IEEE Photon. Technol. Lett., 2006, 18(21): 2296～2298

[10] [10] T. W. MacDougall, S. Pilevar, C. W. Haggans et al.. Generalized expression for the growth of long period gratings[J]. IEEE Photon. Technol. Lett., 1998, 10(10): 1449～1451

[11] [11] Wang Yiping. Study on characteristics of novel long-period fiber gratings[D]. Chongqing: Chongqing University, 2003. 42～65

[12] [12] A. E. Puro, K. J. E. Kell. Complete determination of stress in fiber preforms of arbitrarv cross section[J]. J. Lightwave Technol., 1992, 10(8): 1010～1014

[13] [13] Y. Hibino, F. Hanawa, M. Horiguchi. Drawing induced residual stress effects on optical characteristics in pure silica core single mode fibers[J]. J. Appl. Phys., 1989, 65(1): 30～34

[14] [14] T. Abe, Y. Mitsunaga, H. Koga. Photoelastic computer tomography: a novel measurement method for axial residual stress profile in optical fibers[J]. J. Opt. Soc. Am. A, 1986, 3(1): 133～138

[15] [15] Song Shide. Study on the characteristics and sending application of long period fiber gratings[D]. Dalian: Dalian University of Technology, 2006. 55～79