基于球形熔融三包层光纤的膝关节屈曲角度光纤传感器

IF 2.3 3区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Photonics Technology Letters Pub Date : 2024-09-04 DOI:10.1109/LPT.2024.3454358

Xiaojun Zhu;Jiayi Qian;Wen Liu;Shuai Li;Yongjuan Ji;Juan Cao;Guoan Zhang;Yan Cai;Yongjie Yang

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引用次数: 0

摘要

本文提出并演示了一种基于球形熔融三包层光纤（TCF）的膝关节屈伸角度传感器。随着膝关节屈曲角度的变化，角度传感器中芯模和包层模之间的光路差也会发生变化，从而导致干涉频谱出现偏差。我们对不同长度的 TCF 进行了对比实验。当 TCF 长度为 3 cm 时，传感器的最大角度检测范围为 0~^{\circ }$ 到 110~^{\circ }$ 。传感器的角度灵敏度为-0.35 nm/°，线性回归系数（R2）为 99.6 %。此外，在 30- $90~^{\circ }$ C 的温度范围内，最大温度灵敏度为 0.08 nm/°C，R2 为 99.8 %。该传感器具有结构紧凑、易于制造、可重复性高的优点，适用于实时人体健康监测和康复。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A Knee-Flexion Angle Optical Fiber Sensor Based on Spherical Fused Triple-Clad Fiber

A knee-flexion angle sensor based on spherical fused triple-clad fiber (TCF) is proposed and demonstrated. The optical path difference between the core and cladding modes in the angle sensor changes as the knee joint flexion angle changes, resulting in deviations in the interference spectrum. We conducted comparison experiments on various TCF lengths. When the TCF length is 3 cm, the maximum sensor’s angle detection range is from

$0~^{\circ }$

$110~^{\circ }$

. The angle sensitivity of the sensor is −0.35 nm/°, and the linear regression coefficient (R2) is 99.6 %, respectively. Furthermore, in the temperature range of 30-

$90~^{\circ }$

C, the maximum temperature sensitivity is 0.08 nm/°C, and the R2 is 99.8 %. The sensor has the advantage of being compact, easy to manufacture, and highly repeatable, making it suitable for real-time human health monitoring and rehabilitation.

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来源期刊

IEEE Photonics Technology Letters 工程技术-工程：电子与电气

CiteScore

5.00

自引率

3.80%

发文量

404

审稿时长

2.0 months

期刊介绍： IEEE Photonics Technology Letters addresses all aspects of the IEEE Photonics Society Constitutional Field of Interest with emphasis on photonic/lightwave components and applications, laser physics and systems and laser/electro-optics technology. Examples of subject areas for the above areas of concentration are integrated optic and optoelectronic devices, high-power laser arrays (e.g. diode, CO2), free electron lasers, solid, state lasers, laser materials'' interactions and femtosecond laser techniques. The letters journal publishes engineering, applied physics and physics oriented papers. Emphasis is on rapid publication of timely manuscripts. A goal is to provide a focal point of quality engineering-oriented papers in the electro-optics field not found in other rapid-publication journals.