Measurement uncertainty of multicore optical fiber sensors used to sense curvature and bending direction

被引：42
|
作者：
Floris, Ignazio [1 ,2 ]
Sales, Salvador [1 ]
Calderon, Pedro A. [2 ]
Adam, Jose M. [2 ]
机构：
[1] Univ Politecn Valencia, ITEAM, Camino Vera S-N, E-46022 Valencia, Spain
[2] Univ Politecn Valencia, ICITECH, Camino Vera S-N, E-46022 Valencia, Spain
来源：
MEASUREMENT | 2019年 / 132卷
基金：
欧盟地平线“2020”;
关键词：
Fiber Bragg Grating; Multicore fiber optic; Curvature Sensing; Shape sensing; Monte Carlo simulation; Error analysis; MONTE-CARLO-SIMULATION; BRAGG GRATINGS; ARRAY;
D O I：
10.1016/j.measurement.2018.09.033
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper describes a study of the influence of strain measurement uncertainty on sensing curvature and bending direction, considering one of the most widely used fiber geometries for sensing applications (7-core Multicore Fiber) with different core spacings (distance between outer cores and fiber axis). The Monte Carlo method was proposed to simulate the real measurement process and 33 simulations with 106 iterations were performed to determine the laws of propagation of strain measurement uncertainty in calculating curvature and bending direction. The outcomes, which show the strong influence of strain uncertainty and core spacing on the precision of Multicore Fiber sensors, can be used to support the design of new sensors or new fiber geometry and to predict their achievable performance. (C) 2018 Elsevier Ltd. All rights reserved.
引用
收藏
页码：35 / 46
页数：12
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