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Research on Lower Coherence Interferometer and corresponding optic fiber sensor
Chengyu HONG 1 *,Jian-hua Yin 2,You-hua Fan 1,Chao Wang 3
1.Harbin Institute of Technology Shenzhen Graduate School
2.Department of Civil and Structural Engineering，Hong Kong Polytechnic University
3.Bookham company
*Correspondence author
#Submitted by
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Funding: none
Opened online:26 June 2007
Accepted by: none
Citation: Chengyu HONG,Jian-hua Yin,You-hua Fan.Research on Lower Coherence Interferometer and corresponding optic fiber sensor[OL]. [26 June 2007] http://en.paper.edu.cn/en_releasepaper/content/13686
 
 
Applying lower coherence interferometer executes scan of optic fiber sensor under different environmental state. Factors influence accuracy of results can be obtained through comparison between above tests, which are shown in details in this paper. Repeating test of optic fibers is completed as a part of calibration, an accuracy of 4 can be achieved as well. Data acquisition and data analysis are accomplished by the software of Labview. Installing reference point on signal arm to eliminate the deviation of initial scan time and reduce the error of lower coherence system.
Keywords:optic fiber sensor, repeating test, Labview, reference point
 
 
 

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