Expand this Topic clickable element to expand a topic
Skip to content
Optica Publishing Group

Application of the encapsulation technology of wFBG distributed array sensors in track monitoring system

Open Access Open Access

Abstract

Compared with traditional track electrical sensing technology, the characteristics of fiber-optic sensing technology make it more advantageous in track monitoring. It is very important to properly install the optical fiber sensors on the track. Based on weak fiber Bragg Grating (wFBG) distributed array sensors to monitor the safety status of train tracks in real time, novel encapsulation technology of approaching zero intensity loss is developed. This paper proposes two kinds of encapsulation technology for optical fiber array sensors. One is the encapsulation technology of sheet-iron, and the other is the encapsulation technology of iron-ring optimized for the encapsulation technology of sheet-iron. After analysis and comparison of the experimental results, the loss of luminous intensity of the encapsulation technology of iron-ring is smaller and close to zero, and it has good stability and good protection performance for the sensor. Therefore, the wFBG distributed array sensors encapsulated by iron-ring have better application performance.

© 2018 The Author(s)

PDF Article
More Like This
A distributed and key-position fiber sensing system based on LPFG and WFBG assisted OTDR

Xiangchuan Wang, Zhijun Yan, Feng Wang, Chengbo Mou, Zhongyuan Sun, Xuping Zhang, and Lin Zhang
BW3D.7 Bragg Gratings, Photosensitivity, and Poling in Glass Waveguides (BGPP) 2014

Application of distributed Brillouin optical fiber sensor systems in geo-technical monitoring

Stephan Großwig, Maria-Barbara Schaller, Lufan Zou, Omur Sezerman, and Reinhardt Willsch
Th1A.3 Asia-Pacific Optical Sensors Conference (APOS) 2016

Fiber Optic Sensors for Harsh Environments: Environmental, Hydrogeological, and Chemical Sensing Applications

Hamid Alemohammad, Richard Liang, Dilara Yilman, Amir Azhari, Kiera Mathers, Christina Chang, Brian Chan, and Michael A. Pope
TuB4 Optical Fiber Sensors (OFS) 2018

Select as filters


Select Topics Cancel
© Copyright 2024 | Optica Publishing Group. All Rights Reserved