[1] [1] Bao J L, Zhang X M, Chen K S,et al. Spectra of dual overwritten fiber Bragg grating.Opt Commun, 2001,188(1-4): 31～39

[2] [2] Kersey M C, Geiger H, Dakin J P.Multiplexed point and stepwise-continuous fiber grating based sensor: practical sensor for structural monitoring.Proc SPIE, 1994,2294: 69～80

[3] [3] Ouellette F.Dispersion cancellation using linearly chirped Bragg grating filters in optical waveguides.Opt Lett, 1987,12(10) :847～849

[4] [4] Pastor D, Capmany J, Ortega D, et al. Design of apodized linearly chirped fiber gratings for dispersion compensation.J Lightwave Technol, 1996,14(11): 2581～2588

[5] [5] Muriel M A, Carballar A, Azana J.Field distributions inside fiber gratings.IEEE J Quantum Electron, 1999,35(4): 548～558

[6] [6] Jepsen A G, Johnson A E, Maniloff E S,et al. Fibre Bragg grating based spectral encoder/decoder for lightwave CDMA.Electron Lett, 1999,35(13): 1096～1097

[7] [7] Fathallah H, Rusch L A, LaRochelle S.Passive optical fast frequency-hop CDMA communications system.J Lightwave Technol, 1999,17(3): 397～405

[8] [8] Fells J A J, Kanellopoulos S E, Bennett P J, et al. Twin Fiber Grating Tunable Dispersion Compensator.IEEE Photon Technol Lett, 2001,13(9): 984～986

[9] [9] Williams J A R, Everall L A, Bennion I,et al. Fiber Bragg grating fabrication for dispersion slope compensation.IEEE Photon Technol Lett, 1996,8(9): 1187～1189