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

Title
BOCDA system enhanced by concurrent interrogation of multiple correlation peaks with a 10 km sensing range
Authors
이상배이관일류국빈김규태송광용
Keywords
Optical fiber sensors; distributed sensing; stimulated Brillouin scattering
Issue Date
2017-04
Publisher
PROCEEDINGS OF SPIE-OFS25
Citation
VOL 10323-103269-5
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.
URI
http://pubs.kist.re.kr/handle/201004/66987
Appears in Collections:
KIST Publication > Conference Paper
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