[1] [1] A. M. Vengsarkar,P. J. Lemaire,J. B. Judkins et al.. Long-period fiber gratings as band-rejection filters [J]. J. Lightwave Technol.,1996,14(1):58-65

[2] [2] A. M. Vengsarkar,J. R. Pedrazzani,J. B. Judkins et al.. Long-period fiber-grating-based gain equalizers [J]. Opt. Lett.,1996,21(5):336-338

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

[4] [4] Zhao Hongxia,Bao Jilong,Chen Ying. Effect of bend curvature on transmission spectra of long-period fiber gratings [J ]. Chinese J. Lasers,2008,35(5):722-725

[5] [5] Zhao Hongxia,Bao Jilong,Chen Ying. Bending sensing rules for long-period fiber gratings [J ]. Acta Optica Sinica,2008,28(9):1681-1685

[6] [6] Liao Xian,Rao Yunjiang,Ran Zengling et al.. Simultaneous measurement of high-temperature and strain using a combined long-period fiber grating/ fabry-perot sensor fabricated by laser pulses [J ]. Chinese J. Lasers,2008,35(6):884-888

[7] [7] Li Chunfei,Zang Zhigang. Optical switching in a nonlinear-fiber connected long-period fiber grating Pair [J ]. Chinese J. Lasers,2008,35(12):1919-1923

[8] [8] D. D. Davis,T. K. Gaylord,E. N. Glytsis et al.. Long period fiber grating fabrication with focused CO2 laser beams [J]. Electron. Lett.,1998,34(3):302-303

[9] [9] I. K. Hwang,S. H. Yun,B. Y. Kim. Long-period fiber gratings based on periodic microbends [J]. Opt. Lett.,1999,24(18):1263-1265

[10] [10] C. B. Probst,A. Bjarklev,S. B. Andreasen. Experimental verification of microbending theory using mode coupling to discrete cladding modes [J]. J. Lightwave Technol.,1989,7(1):55-61

[11] [11] S. Savin,M. J. Digonnet,G. S. Kino et al.. Tunable mechanically induced long-period fiber gratings [J]. Opt. Lett.,2000,25(10):710-712

[12] [12] I. Sohn,J. Kim,N. Lee et al.. Tunable gain-flattening filter using long-period fiber grating based on periodic core deformation [C]. SPIE,2001,4594:110-116

[13] [13] Chung-Yih Tang,Paoyi Tseng,Chih-Nan Lin et al.. Long-period fiber grating effects with double-sided loading on fiber [C]. SPIE,4904:104-108

[14] [14] Turan Erdogan. Fiber grating spectra [J]. J. Lightwave Technol,1997,15(8):1277-1294

[15] [15] J. N. Blake,B. Y. Kim,H. E. Engan et al.. Analysis of intermodal coupling in a two-mode fiber with periodic microbends [J]. Opt. Lett.,1987,24(4):281-283

[16] [16] Wang Jiuling,Rao Yunjiang,Zhu Tao et al.. Refractive index characteristic for edge-written long-period fiber gratings induced by CO2 laser pulses [J ]. Acta Optica Sinica,2007,27(10):1730-1734

[17] [17] I. B. Sohn,J. W. Song. Gain flattened and improved double-pass two-stage EDFA using microbending long-period fiber gratings [J]. Opt. Commun.,2004,236(1-3):141-144