Shape sensing using two outer cores of multi-core fiber based on OFDR

Yanjie Meng; Cailing Fu; Chao Du; Lin Chen; Huajian Zhong; Pengfei Li; Baijie Xu; Bin Du; Jun He; Yiping Wang

doi:10.1117/12.2623636

27 March 2022 Shape sensing using two outer cores of multi-core fiber based on OFDR

Yanjie Meng, Cailing Fu, Chao Du, Lin Chen, Huajian Zhong, Pengfei Li, Baijie Xu, Bin Du, Jun He, Yiping Wang

Proceedings Volume 12169, Eighth Symposium on Novel Photoelectronic Detection Technology and Applications; 1216939 (2022) https://doi.org/10.1117/12.2623636
Event: Eighth Symposium on Novel Photoelectronic Detection Technology and Applications, 2021, Kunming, China

Abstract

A method, i.e., vector projections, using two outer cores of multicore fiber without calibration and OFDR was proposed to realize three-dimensional (3D) shape sensing. Compared with traditional shape sensing method, the vector projections method based on two outer cores of multicore fiber, decreased the number of fiber cores, which eliminating the requirement for fiber cores arrangement. Experimental results show that the mean standard deviation (SD) of bending orientation is 2.84° and the mean SD of bending radius is 1.70 mm. This method offers the potentiality of dynamic shape sensing and provide reference for the researchers who focus on optical fiber secondary manufacture such as FBG arrays inscription to achieving shape sensing.

Citation Download Citation

Yanjie Meng, Cailing Fu, Chao Du, Lin Chen, Huajian Zhong, Pengfei Li, Baijie Xu, Bin Du, Jun He, and Yiping Wang "Shape sensing using two outer cores of multi-core fiber based on OFDR", Proc. SPIE 12169, Eighth Symposium on Novel Photoelectronic Detection Technology and Applications, 1216939 (27 March 2022); https://doi.org/10.1117/12.2623636

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KEYWORDS

Optical fibers

Fiber Bragg gratings

Optics manufacturing

Sensing systems

Sensors

Optical sensing

Reflectometry

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