Presentation Information

[TuC1-4]High Sensitivity Curvature Sensor Based on Seven Core Fiber

Shandong Dong1,2, 〇Fengze Tan3, Bo Dong4, Changyuan Yu3, Yongxin Guo1,2 (1National Univ. of Singapore, Singapore, 2National Univ. of Singapore (Suzhou) Research Institute, China, 3Hong Kong Polytechnic Univ., Hong Kong, 4Xi'an Institute of Optics and Precision Mechanicsd, China)

Keywords:

Fiber sensing,Seven core fiber,Modal interferometer,Curvature

This paper presents a structure of single-mode fiber (SMF)-seven-core-fiber (SCF)-SMF, with a core-offset in one splicing point. Its maximum curvature sensitivity reaches 33.4363 nm/m-1, within the measurement range of 0.86 m-1-1.21 m-1.