[1] [1] Bai Zhi-yong, Zhang Wei-gang, Gao She-cheng, Geng Peng-cheng, Zhang Hao, Li Jie-liang and Liu Fang, Photonics Technology Letters 25, 2111 (2013).

[2] [2] Lv An-qiang, Li Yong-qian, Li Jing and Chen Yong, Acta Photonica Sinica 43, 1206002 (2014). (in Chinese)

[3] [3] Jiang Qi and Gao Fang-fang, Acta Photonica Sinica 43, 0228001 (2014). (in Chinese)

[4] [4] Guo Xuan, Liu Feng, Xu Xiang, Fu Xing-hui, Qi Yue-feng and Tan Ai-ling, Acta Optic Sinica 35, 0706002 (2015). (in Chinese)

[5] [5] Li Chao, Ning Ti-gang, Zhang Chan, Li Jing, Zhang Chuan-biao, Wen Xiao-dong, Lin Heng and Pei Li, Sensors and Actuators A: Physical 248, 148 (2016).

[6] [6] Dong Xin-yong, Hu Peng-bing, Chan Chi-chiu and Shum Ping, Optical Fiber Humidity Sensor Based on Michelson Interferometric Structures, International Conference on Advanced Infocomm Technology 6, 6621524 (2013).

[7] [7] Fu Hai-wei, Zhao Na and Shao Min, IEEE Sensors Journal 15, 6869 (2015).

[8] [8] Tian Zhao-bing and Yam Scott S.-H, Journal of Lightwave Technology 27, 2296 (2009).

[9] [9] Zhang Shao-xian, Yuan Ting-ting and Yuan Li-bo, SPIE 10323, 77-1 (2017).

[10] [10] Liu Yin, Zhou Ai and Yuan Li-bo, Journal of Lightwave Technology 37, 2452 (2019).

[11] [11] Shen Fang-cheng, Wang Chang-le, Sun Zhong-yuan, Zhou Kai-ming, Zhang Lin and Shu Xue-wen, Optics Letters 42, 199 (2017).

[12] [12] Chen Peng-cheng, Shu Xue-wen, Cao Han-yuan and Sugden Kate, Optics Letters 42, 1157 (2017).

[13] [13] Shao Min, Han Liang, Sun Hao-nan, Yin Xun-li and Qiao Xue-guang, Optics Communications 453, 124356 (2019).

[14] [14] Wang Fang, Pang Kai-bo, Ma Tao, Wang Xu and Liu Yu-fang, Optics and Laser Technology 130, 106333 (2020).

[15] [15] Fu Xing-hu, Liu Lian-xu, Huang Shu-ming, Fu Guang-wei, Jin Wa and Bi Wei-hong, Optics Communications 455, 124577 (2020).

[16] [16] Luo Hai-peng, The Mechanism and Experimental Study of High Sensitivity and Multi-Parameters Sensing Based on Micro/Nano Fiber with Modes Coupling, Huazhong University of Science & Technology, 21 (2016). (in Chinese)

[17] [17] Li Jie, Sun Ling-peng, Gao Shuai, Quan Zhan, Chang Yong-liang, Ran Yang, Jin Long and Guan Bai-qu, Optics Letters 36, 3593 (2011).

[18] [18] Qi Yue-feng, Zhang Jin, Feng Qi, Zhang Xin, Liu Yan-yan and Han Ying, Photonic Sensors 9, 197 (2019).