[1] [1] HILL K O,MALO B,BILODEAU F,et al,Bragg gratings fabricated in monomode photosensitive optical fiber by UV exposure thorough a phase mask［J］.Applied Physics Letters,1993,62(10): 1035-1037.

[2] [2] PROHASKA J D,SNITZER E,RISHTON S,et al.Magnification of mask fabricated fiber Bragg gratings［J］.Electronics Letters,1993,29(17): 1614-1616.

[3] [3] STUMP K,PLANT T K,SUN Y.Variable wavelength fibre Bragg gratings written with diffractive optical element［J］.Electronics Letters,2000,36(6): 567-569.

[4] [4] GURRAM S,NATH A K.Analysis of tuning of Bragg wavelength of photowritten fiber Bragg gratings during the inscription process using a biprism［J］.Appl Opt,2007,46(12): 2197-2204.

[5] [5] DYER P E.Analysis and application of a 0/1 order Talbot interferometer for 193 nm laser grating formation［J］.Optics Communications,1996,129(1-2): 98-108.

[6] [6] LI C,ZHANG Y,TIAN X,et al.Study of wedge-adjusted Talbot interferometer for writing fiber grating with different inscribed Bragg wavelength［J］.Optical Engineering,2003,42(12): 3452-3455.

[7] [7] MELTZ G,MOREY W W,GLENN W H.Formation of Bragg gratings in optical fibers by a transverse holographic method［J］.Optics Letters,1989,14(15),823-825.

[8] [8] MALITSON I H.Interspecimen comparison of the refractive index of fused silica［J］.JOSA,1965,55(10): 1205-1209.

[9] [9] LI C,ZHANG Y M,ZHAO Y G,et al,Fiber grating: principles,techniques,and sensing applications［M］.Science Press,Beijing,China,2005:92-93.