Ring-core few-mode fiber and DPP-BOTDA-based distributed large-curvature sensing eligible for shape reconstruction

This study proposes a distributed large-curvature sensor based on ring-core few-mode fiber (RC-FMF) and differential pulse-pair Brillouin optical time-domain analysis (DPP-BOTDA). The RC-FMF is adhered to a thin steel substrate and an asymmetric hump shape is reconstructed using the Frenet-Serret al...

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Veröffentlicht in:	Optics express 2022-11, Vol.30 (23), p.42553-42563
Hauptverfasser:	Xu, Pengbai, Guo, Huapeng, Wang, Xiaolong, Shen, Lei, Wen, Kunhua, Sun, Yuehui, Ba, Dexin, Dong, Yongkang, Dong, Xinyong, Yang, Jun, Qin, Yuwen
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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