Researching | Performances of Distributed Fiber Optic Strain Sensor with Thin-Walled Ring

Laser & Optoelectronics Progress, Volume. 56, Issue 10, 100602(2019)

Performances of Distributed Fiber Optic Strain Sensor with Thin-Walled Ring

Deyang Wang¹, Honghu Zhu^1,2、*, Yong Zhu¹, Bin Shi¹, and He Qi³

Author Affiliations

¹ School of Earth Sciences and Engineering, Nanjing University, Nanjing, Jiangsu 210023, China

² Nanjing University High-Tech Institute at Suzhou, Suzhou, Jiangsu 215123, China

³ Shenzhen Branch of China Construction Science and Technology Group Co., Ltd, Shenzhen, Guangdong 518000, China

show less

Abstract Get PDF(in Chinese)

Figures&Tables (9)

References (18)

Paper Information

Figures & Tables(9)

Fig. 1. Measurement principle offully-distributed BOTDA

Download full size

Fig. 2. Measurement principle of quasi-distributed FBG

Download full size

Fig. 3. Schematic of thin-walled ring under loading

Download full size

Fig. 4. Structural diagram of ring

Download full size

Fig. 5. Strain distribution of ring

Download full size

Fig. 6. Fitted results of experimental data using cosine functions

Download full size

Fig. 7. Result comparison of FBG and BOTDA

Download full size

Table 1. Parameters of FBG sensor
View table
Table 1. Parameters of FBG sensor
Gratinglength /cm Centralwavelength /nm Bandwidth /nm Reflectivity /%
15 1510-1590 <0.25 >90

Table 2. Parameter comparison of FBG and BOTDA monitoring technologies
View table
Table 2. Parameter comparison of FBG and BOTDA monitoring technologies
Technology Spatial resolution/cm Test time/s Measurement parameter Measurement accuracy
Strain /με Temperature /℃
FBG - Real time Temperature, strain 1 0.1
BOTDA 5 ≥5 Temperature, strain 7 1

Tools

Get Citation

Copy Citation Text

Deyang Wang, Honghu Zhu, Yong Zhu, Bin Shi, He Qi. Performances of Distributed Fiber Optic Strain Sensor with Thin-Walled Ring[J]. Laser & Optoelectronics Progress, 2019, 56(10): 100602

Download Citation

EndNote(RIS)BibTex Plain Text

Set citation alerts for article

Save article for my favorites

Paper Information

Category: Fiber Optics and Optical Communications

Received: Dec. 3, 2018

Accepted: Dec. 20, 2018

Published Online: Jul. 4, 2019

The Author Email: Honghu Zhu (zhh@nju.edu.cn)

DOI:10.3788/LOP56.100602

Topics

laser devices and laser physics

Lasers and Laser Optics

laser manufacturing

Instrumentation, Measurement and Metrology