Comparison of Different Coupling Types of Fiber-Optic Fabry-Perot Ultrasonic Sensing for Detecting Partial Discharge Faults in Oil-Paper Insulated Equipment. - Hong Liu; Zhixian Zhang; Haoyuan Tian; Yuxuan Song; Jianxin Wang; Zhiqing Shu; Weigen Chen (IEEE Trans. Instrum. Meas., 2024)