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基于嵌入可拉伸聚二甲基硅氧烷中的塑料光纤弯曲损耗的光电压力传感器。

Optoelectronic Pressure Sensor Based on the Bending Loss of Plastic Optical Fibers Embedded in Stretchable Polydimethylsiloxane.

机构信息

Electrical Engineering Department, École de Technologie Supérieure, 1100 Notre-Dame Street West, Montreal, QC H3C 1K3, Canada.

Hôpital du Sacré-Cœur de Montréal, 5400 Gouin Boul. West, Montreal, QC H4J 1C5, Canada.

出版信息

Sensors (Basel). 2023 Mar 22;23(6):3322. doi: 10.3390/s23063322.

DOI:10.3390/s23063322
PMID:36992033
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10053520/
Abstract

We report the design and testing of a sensor pad based on optical and flexible materials for the development of pressure monitoring devices. This project aims to create a flexible and low-cost pressure sensor based on a two-dimensional grid of plastic optical fibers embedded in a pad of flexible and stretchable polydimethylsiloxane (PDMS). The opposite ends of each fiber are connected to an LED and a photodiode, respectively, to excite and measure light intensity changes due to the local bending of the pressure points on the PDMS pad. Tests were performed in order to study the sensitivity and repeatability of the designed flexible pressure sensor.

摘要

我们报告了一种基于光学和柔性材料的传感器垫的设计和测试，用于开发压力监测设备。本项目旨在创建一种基于嵌入在柔性可拉伸聚二甲基硅氧烷 (PDMS) 垫中的二维塑料光纤网格的灵活且低成本的压力传感器。每根光纤的相对端分别连接到一个 LED 和一个光电二极管，以激发和测量由于 PDMS 垫上的压力点的局部弯曲而导致的光强变化。进行了测试，以研究设计的柔性压力传感器的灵敏度和可重复性。

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