Ultra-high curvature sensors for multi-bend structures using fiber Bragg gratings
Ultra-high curvature sensors for multi-bend structures using fiber Bragg gratings
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DOI：
10.1364/oe.27.002074
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发表时间：
2019-02-04
期刊：
影响因子：
3.8
通讯作者：
Kim, Jinseok
中科院分区：
文献类型：
--
作者：
Jang, Minsu;Kim, Jun Sik;Kim, Jinseok
测量高曲率在结构工程、医疗和机器人等各种应用中至关重要。在此，我们提出了一种新型的超高曲率传感器与超薄和高度灵活的结构，包括光纤布拉格光栅（FBG）。该传感器可以测量双向弯曲曲率高达200 m（-1）。此外，多弯曲曲率传感器与所提出的校准方案相结合，能够准确地重建具有不同曲率的曲线。曲率传感器的灵敏度和准确度进行了研究，为不同的传感器设计。最后，我们展示了使用多弯曲曲率传感器的各种2-D图案的精确形状感测。(C)根据OSA开放获取出版协议的条款，2019年美国光学学会
Measuring high curvatures is essential in various applications such as structural engineering, medical treatment, and robotics. Herein, we present a novel ultra-high curvature sensor with an ultra-thin and highly flexible structure incorporating fiber Bragg gratings (FBGs). The sensor can measure curvature of bidirectional bending up to 200 m(-1). In addition, the multi-bend curvature sensor in conjunction with the proposed calibration scheme enables the accurate reconstruction of a curve with varying curvature. The sensitivity and the accuracy of the curvature sensor are investigated for different sensor designs. Finally, we demonstrate the accurate shape sensing of various 2-D patterns using the multi-bend curvatures sensor. (C) 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement