[1] [1] LIU Qin-peng, QIAO Xue-guang, JIA Zhen-an, et al. Spectra power and bandwidth of fiber Bragg grating under influence of gradient strain[J].Photonic Sensors,2016,6(4): 333-338.

[2] [2] REN Liang, JIA Zi-guang, LI Hong-nan, et al. Design and experimental study on FBG hoop-strain sensor in pipeline monitoring[J]. Optical Fiber Technology,2014,20(1): 15-23.

[3] [3] WEN X, LIN H, ZHANG C,et al. Simultaneous measurement of refractive index, strain, and temperature based on a four-core fiber combined with a fiber Bragg grating[J].Optics & Laser Technology,2017,90: 179-184.

[4] [4] GENG Tao, LI Jian, YANG Wen-lei, et al. Simultaneous measurement of temperature and strain using a long-period fiber grating with a micro-taper[J].Optical Review,2016,23(4): 657-661.

[5] [5] ZHANG Wei-hua, YANG Bao-he, TONG Zheng-rong, et al. Temperature and strain sensing characteristics of the tilted fiber Bragg grating[J].Optoelectronics Letters,2010,6(5): 355-358.

[6] [6] XU Ning, DAI Ming. Design of distributed optical fiber sensor for temperature and pressure measurement[J]. Chinese Journal of Optics, 2015,8(4): 629-635.

[7] [7] YANG Ting-ting,QIAO Xue-guang, RONG Qiang-zhou, et al. Orientation-dependent displacement sensor using an inner cladding fiber Bragg grating[J]. Sensors,2016, 16(9): 1473.

[8] [8] LIU Hai, TAN Ce, MA Han-lin, et al. Temperature-insensitive strain measurement using in-fiber Bragg gratings inscribed in photonic crystal fiber[J].Optical and Quantum Electronics,2016, 48(9): 433.

[9] [9] WEI Ting, QIAO Xue-guang, JIA Zhen-an, et al. Simultaneous sensing of displacement and temperature with a single FBG[J].Optoelectronics Letters,2011,7(1): 26-29.

[10] [10] LIN Chu-pao, WANG Ying, HUANG Yi-jian, et al. Liquid modified photonic crystal fiber for simultaneous temperature and strain measurement[J].Photonics Research,2017,5(4): 129-133.

[11] [11] OLIVEIRA R, OSRIO J H, ARISTILDE S, et al. Simultaneous measurement of strain, temperature and refractive index based on multimode interference, fiber tapering and fiber Bragg gratings[J]. Measurement Science & Technology, 2016, 27(7): 075107.

[12] [12] JIANG You-hua, FU Hai-wei, ZHANG Jing-le, et al. Simultaneous measurement of transverse pressure and temperature based on multi-core fiber cascaded with fiber Bragg grating[J]. Acta Photonica Sinica,2017,46(1): 0106002.

[13] [13] TONG Zheng-rong, GUO Yang, YANG Xiu-feng, et al. Simultaneous measurement of temperature and refractive index using a fiber Bragg grating and a multimode fiber[J]. Applied Mechanics and Materials,2011,130(134): 4053-4056.

[14] [14] LEE S M, SAINI S S, JEONG M Y. Simultaneous measurement of refractive index, temperature, and strain using etched-core fiber Bragg grating sensors[J]. IEEE Photonics Technology Letters, 2010, 22(19): 1431-1433.

[15] [15] ZHANG Fa-xiang, L Jing-sheng, JIANG Shao-dong, et al. High sensitive fiber Bragg grating micro-vibration sensor with shock resistance[J]. Infrared and Laser Engineering, 2016, 45(8): 0822002.

[16] [16] LIU Min, ZHAO Bing-yue, YANG Xu, et al. Seven-core photonic liquid crystal fibers for simultaneous mode shaping and temperature sensing[J].Chinese Optics Letters, 2017, 15(6): 060601.