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摘要
A fiber optic sensor based oil Sagnac interferometerfor determining the position of disturbance is presented. For this application, a disturbance simultaneously imposed oil two different points of sensing fiber loop could be measured and located. The method solves the problem of isolating part of fiber loop front physical field. Experimentally, longitudinal position of a disturbance is determined with all average error of 59 m over a total length of 25 km.
- 出版日期2008-6
- 单位复旦大学
