Liu Tie-Gen, Yu Zhe, Jiang Jun-Feng, Liu Kun, Zhang Xue-Zhi, Ding Zhen-Yang, Wang Shuang, Hu Hao-Feng, Han Qun, Zhang Hong-Xia, Li Zhi-Hong. Advances of some critical technologies in discrete and distributed optical fiber sensing researchJ. Acta Physica Sinica, 2017, 66(7): 070705. DOI: 10.7498/aps.66.070705