Author:
Wang Anqi,Fan Xuhao,Xu Dongchen,Chen Geng,Dai Chenhao,Zhang Zhi,Xiong Wei,Sun Qizhen
Abstract
We demonstrate a hollow Fabry-Perot (FP) fiber sensor fabricated by 3D-printing technology for highly sensitive ultrasound detection. The sensor has a sensitivity of 167 mV/kPa which is 38 times higher than a solid FP fiber sensor.