[1] [1] RAO Y J,YUAN S F,ZENG X K,et al.Simultaneous strain and temperature measurement of advanced 3-D braided composite materials using an improved EFPI/FBG system[J].Optics and Lasers in Engineering,2002,38 (3):557-566.

[2] [2] RAO Y J.Recent progress in applications of in-fibre Bragg grating sensors[J].Optics and Lasers in Engineering,1999,31(4):297-324.

[3] [3] RAO Y J.In-fibre Bragg grating sensors[J].Meas Sci Technol,1997,8(5):355-375.

[6] [6] PENG C P,HONG Y T,SIEN C.Long distance FBG sensor system using a linear-cavity fiber Raman laser scheme[J].IEEE Photonics Technology Letters,2004,16(2):575-577.

[7] [7] PENG C P,FENG K M,PENG W R,et al.Long-distance fiber grating sensor system using a fiber ring laser with EDWA and SOA[J].Optics Communication,2005,252(8):127-131.