An Interferometric Dual Microfiber Refractive Index Sensor via Tapering of Femtosecond Laser Perforated Optical Fiber. - Zeyuan Song; Rui Peng 010; Haiyang Yu; Guanqiu Guo; Kaiwei Li; Wenchao Zhou; Yihui Wu (IEEE Trans. Instrum. Meas., 2025)