23 April 2017 An in-fiber Mach-Zehnder interferometer based on dual side-hole fiber for highly sensitive measurement of curvature
Author Affiliations +
Proceedings Volume 10323, 25th International Conference on Optical Fiber Sensors; 103236V (2017) https://doi.org/10.1117/12.2264078
Event: 25th International Conference on Optical Fiber Sensors, 2017, Jeju, Korea, Republic of
Abstract
An in-fiber Mach-Zehnder interferometer (MZI) based on dual side-hole fiber (DSHF) was demonstrated for highly sensitive measurement of curvature. The MZI-based bending sensor is fabricated by fusion splicing a piece of DSHF in between two standard single mode fibers (SMF) with cladding alignment. Due to the existence of the two air holes and the asymmetrical cross-section of the DSHF, the DSHF-based MZI is a core-cladding interferometer which is sensitive to directional bending. The bending characteristics are investigated experimentally within the curvature range of 0-8.172m-1. The bending sensitivities of the sensor are respectively 1.464 nm/m-1 and -1.394 nm/m-1 at their two opposite bending directions.
© (2017) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Xiaowei Ouyang, Xiaowei Ouyang, Huiyong Guo, Huiyong Guo, Zhou Zheng, Zhou Zheng, Liyun Ding, Liyun Ding, Ai Zhou, Ai Zhou, } "An in-fiber Mach-Zehnder interferometer based on dual side-hole fiber for highly sensitive measurement of curvature", Proc. SPIE 10323, 25th International Conference on Optical Fiber Sensors, 103236V (23 April 2017); doi: 10.1117/12.2264078; https://doi.org/10.1117/12.2264078
PROCEEDINGS
4 PAGES


SHARE
Back to Top