DocumentCode
528352
Title
31-km distributed temperature measurement with very high resolution using coherent-OTDR enhanced with bidirectional EDFA
Author
Shimano, Ryosuke ; Iitsuka, Yuta ; Kubota, Kenya ; Koyamada, Yahei
Author_Institution
Grad. Sch. of Sci. & Eng., Ibaraki Univ., Hitachi, Japan
fYear
2010
fDate
5-9 July 2010
Firstpage
330
Lastpage
331
Abstract
We achieved a distributed temperature measurement with a resolution of 0.02°C and a spatial resolution of 2 m over a 31-km-long fiber by using a coherent optical time-domain reflectometer (C-OTDR) enhanced with a bidirectional erbium-doped fiber amplifier (Bi-EDFA).
Keywords
erbium; fibre optic sensors; light coherence; optical fibre amplifiers; optical time-domain reflectometry; reflectometers; temperature measurement; JkJk:Er; bidirectional EDFA enhanced coherent-OTDR; bidirectional erbium-doped fiber amplifier; coherent optical time-domain reflectometer; distributed temperature measurement; size 31 km; spatial resolution; Frequency measurement; Optical fiber amplifiers; Optical fiber couplers; Sensors; Spatial resolution; Temperature measurement;
fLanguage
English
Publisher
ieee
Conference_Titel
OptoElectronics and Communications Conference (OECC), 2010 15th
Conference_Location
Sapporo
Print_ISBN
978-1-4244-6785-3
Type
conf
Filename
5588550
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