[1] [1] D. K. Lam,B. K. Garside. Characterization of single-mode optical fiber filter [J]. Appl. Opt.,1981,20(3):440-450

[2] [2] G. Meltz,W. W. Morey. Bragg grating formation and germanosilicate fiber photosensitivity[C]. SPIE,1991,1516:185-199

[3] [3] K. O. Hill,G. Metlz. Fiber Bragg grating technology fundamentals and overview [J]. IEEE J. Lightwave Technology,1997,15(8):1263-1276

[4] [4] E. Devevaque. Optical fiber design for strong gratings photoimprinting with radiation mode suppression[C]. OFC,1995,Postdeadline Session,PD5

[5] [5] M. Yamada,K. Sakuda. Analysis of almost-periodic distributed feedback slab waveguide via a fundamental matrix approach [J]. Appl. Opt.,1987,26(16):3474-3478

[6] [6] K. A. Winick. Effective-index method and coupled-mode theory for almost periodic waveguide gratings:a comparison[J]. Appl. Opt.,1992,31(6):757-764

[7] [7] J. Capmany,M. A. Muriel. Microwave V-I transmission matrix formalism for the analysis of photonic circuits:application to fiber bragg gratings [J]. J. Lightwave Technol.,2003,21(2):3125-3134

[8] [8] Ji Rongdong,Shi Jielong,Chen Guanqun et al.. V-I transmission matrix formalism for the analysis of fiber Bragg gratings[J]. Chinese J. Quant. Electron.,2008,25(1):99-104

[9] [9] Li Bin,Liu Yan,Tan Zhongwei et al.. Linearly chirped fiber gratings using uniform phase mask [J]. Acta Optica Sinica,2008,28(3):414-418

[10] [10] Lu Shaohua,Xu Ou,Feng Suchun et al.. Design and application of optical filters based on chirped phase-shifted fiber gratings [J]. Acta Optica Sinica,2008,28(9):1675-1680