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

Large dynamic strain sensing for φ−OTDR with frequency modulation pulse and frequency interrogation

Not Accessible

Your library or personal account may give you access

Abstract

We propose a large dynamic strain sensing for φ−OTDR based on frequency modulation pulse and frequency interrogation. The detectable range can go beyond 130 με at 20 kHz over 10 km sensing range.

© 2020 The Author(s)

PDF Article
More Like This
High resolution Dynamic Strain Sensing Using Frequency-Scanning φ-OTDR with Frequency Comb Pulse

Zhonghong Lin, Huan He, Zhiyong Zhao, and Ming Tang
ATh4I.8 CLEO: Applications and Technology (CLEO:A&T) 2023

Large Dynamic Strain Measurement in Φ-OTDR Based on Ultra-Weak FBG Array

Rui Hong, Feng Wang, Yu Liu, Guojie Tu, Zhen Liu, Jianxin Zhou, Yixin Zhang, and Xuping Zhang
M4D.2 Asia Communications and Photonics Conference (ACP) 2020

Distributed dynamic nano-strain sensing based on Φ-OTDR with coherent detection and IQ demodulation

Xi Chen, Erhu Liu, Cheng Fu, Hongying Zhang, Zhiwei Lu, and Yongkang Dong
W4A.42 Asia-Pacific Optical Sensors Conference (APOS) 2016

Select as filters


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