[1] Hill K O,Fujii Y,Johnson D C,et al. Photo-sensitivity in optical fiber waveguides: application to reflection filter fabrication [J].Appl. Phys. Lett.,1978,32: 647-649.

[2] Hill K O,Meltz G. Fiber Bragg grating technology fundamentals and overview [J].J. Lightwave Technol.,1997,15: 1263.

[3] Erdogan T. Fiber grating spectra [J].J. Lightwave Technol.,1997,15: 1277.

[4] Ball G A,Glenn W H. Design of a single-mode linear-cavity erbium fiber laser utilizing Bragg reflectors [J].J.Lightwave Technol.,1992,10: 1338.

[5] Kersey A D. A review of recent developments in fiber optic sensor technology [J].Optic Fiber Technol.,1996,2:291.

[6] Zhang X P,Tan Z H. Analysis of transmission characteristics of doubly clad fibers with an inner cladding made of uniaxial crystal materials [J].Optics Communications,2002,204,(1-6): 127-136.

[7] Zhang X P,Tan Z H. Analysis of characteristics of doubly clad fibers influenced by birefringent single crystal cladding [J].Acta Optica Sinica(光学学报),2002,22(8): 927-932(in Chinese).

[8] Zhang X P. Study on polarization characteristics doubly-clad fibers using single crystal as inner cladding [J].Chinese Journal of Quantum Electronics(量子电子学报)2002,19(3): 245-249(in Chinese).

[9] Zhang X P,Lv D C. Theoretical study of electro-optic effect and elasto-optic effect in chirp fiber grating with uniaxial crystal materials cladding [J].Optical and Quantum Electronics,2004,36(5): 469-481.

[10] Zhang X P,Hou S L. Study of characteristics of fiber Bragg grating with uniaxial crystal material cladding [J].Optics communications,2003,219(1-6): 193-198.

[11] Hou S L,Hu C L,Ren X M,et al. Influence of uniaxial crystal material cladding on reflectivity and dispersion of uniform fiber Bragg grating [J].Optics communications,2007,271(1): 109-115.

[12] Ye Peida. Fiber Optic Theory(光纤理论)[M].Beijing: Knowledge Press,1985.(in Chinese).

[13] Snydan A W,Love J D. Optical Waveguide Theory [M].London: Chapman and Hall,1983.