BOCDA system enhanced by concurrent interrogation of multiple correlation peaks with a 10 km sensing range

Authors
Ryu, GukbeenKim, Gyu-TaeSong, Kwang YongLee, Sang BaeLee, Kwanil
Issue Date
2017
Publisher
IEEE
Citation
25th International Conference on Optical Fibre Sensors (OFS), v.10323
Abstract
A Brillouin optical correlation domain analysis (BOCDA) system using time-domain data processing for concurrently interrogating a plurality of sensing positions is proposed, where the time-domain data processing combined with differential measurement effectively enhances the measurement range and measurement time as much as the spatial resolution of the BOCDA system. In the experiment, the distribution of the Brillouin gain spectra (BGS) along a 10.15 km test fiber is successfully obtained with a spatial resolution less than 5 cm by concurrently interrogating 980 correlation peaks.
ISSN
0277-786X
URI
https://pubs.kist.re.kr/handle/201004/114666
DOI
10.1117/12.2263416
Appears in Collections:
KIST Conference Paper > 2017
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