Author:
Liu Zhuyixiao,Jiang Zijian,Wu Qixuan,Zhang Fengming,Du Haoze,Yao Yucheng,Zhao Luming,Tang Ming
Abstract
We proposed a vector bending sensor based on tapered few-mode multi-core fiber. The sensor could accomplish the recognition of direction and curvature through only power monitoring. The theoretical curvature sensitivity is higher than 0.14/m-1 within the interval of 2.5 m-1 to 10 m-1.