[1] [1] WU J F,XU X Z,LIAO C R,et al.Optimized femtosecond laser direct-written fiber Bragg gratings with high reflectivity and low loss[J].Optics express,2023,31(3):3831-3838.

[6] [6] BODENDORFER T,MULLER M S,HIRTH F,et al.Comparison of different peak detection algorithms with regards to spectrometic fiber Bragg grating interrogation systems［C］//2009 International Symposium on Optomechatronic Technologies,September 21-23,2009,Istanbul,Turkey.New York:IEEE,2009:122-126.

[7] [7] HUANG C,JING W,LIU K,et al.Demodulation of fiber Bragg grating sensor using cross-correlation algorithm[J].IEEE Photonics Technology Letters,2007,19(9):707-709.

[9] [9] JI S K,LI K,YUAN P,et al.Design and fabrication of AWG with large bandwidth applied in FBG interrogation system[J].Optics & Laser Technology,2022,149:107372.

[10] [10] WANG C,SHANG Y,ZHAO W A,et al.Distributed acoustic sensor using broadband weak FBG array for large temperature tolerance [J].IEEE Sensors Journal,2018,18(7):2796-2800.

[16] [16] QU Z Y,GUO S,HOU C B,et al.Real-time self-calibration PGC-Arctan demodulation algorithm in fiber-optic interferometric sensors[J].Optics Express,2019,27(16):23593-23609.

[17] [17] LAO J D,WANG C,TANG Y Q,et al.Liquid pressure sensor based on fiber Bragg grating with an adjustable structure[J].Sensors,2022,22(23).

[20] [20] MA H Y,LI B A,XUE M,et al.Optimization of the phase generated carrier demodulation algorithm based on support vector regression[J].Applied Optics,2021,60(31):9818-9827.