Demodulation algorithm for optical fiber fabry-perot interference sensor Wenhua Wang, Weina Wu, Zhengye Xiong, Wenqing Shi, Yuanzheng Luo, Xiuyun Tian and Zhishan Chen MATEC Web Conf., 336 (2021) 04010 Published online: 15 February 2021 DOI: 10.1051/matecconf/202133604010