Infrared and Laser Engineering, Volume. 52, Issue 10, 20230076(2023)
Research on spatial resolution improvement of distributed optical fiber temperature measurement based on Raman signal segmentation and reconstruction
Figures & Tables(6)
Fig. 3. (a) Ratio curve at a laser pulse width of 20 ns; (b) Ratio curve at a laser pulse width of 50 ns
Fig. 5. Temperature error between conventional demodulation method and Raman signal segmentation and reconstruction method
Table 1. Comparison of traditional temperature demodulation and reconfigured temperature demodulation
View tableView in ArticleTable 1. Comparison of traditional temperature demodulation and reconfigured temperature demodulation
Actual temperature/℃ Traditional demodulation/℃ Raman signal reconstruction/℃ 40.7 31.0 39.8 50.7 36.1 48.5 61.6 41.7 58.2 71.8 46.9 67.1 81.9 52.7 77.2 92.1 58.3 86.8
Tools
Get Citation
Copy Citation Text
Shuo Li, Jiqiang Wang, Zhongguo Gao, Jianxin Gao, Zemin Hou, Long Jiang, Moyu Hou. Research on spatial resolution improvement of distributed optical fiber temperature measurement based on Raman signal segmentation and reconstruction[J]. Infrared and Laser Engineering, 2023, 52(10): 20230076
Paper Information
Category: Optical communication and sensing
Received: Feb. 18, 2023
Accepted: --
Published Online: Nov. 21, 2023
The Author Email: Hou Moyu (houmoyu@126.com)
© Copyright 2018-2021 | Chinese Laser Press.
All Rights Reserved 沪ICP备15018463号-20