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Sensors 2011, 11(9), 8741-8750; doi:10.3390/s110908741
Article

Power Loss Characteristics of a Sensing Element Based on a Polymer Optical Fiber under Cyclic Tensile Elongation

1
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1
 and
2,*
Received: 4 August 2011 / Revised: 29 August 2011 / Accepted: 1 September 2011 / Published: 8 September 2011
(This article belongs to the Special Issue Optical Fiber Sensors)
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Abstract

In this study, power losses in polymer optical fiber (POF) subjected to cyclic tensile loadings are studied experimentally. The parameters discussed are the cyclic load level and the number of cycles. The results indicate that the power loss in POF specimens increases with increasing load level or number of cycles. The power loss can reach as high as 18.3% after 100 cyclic loadings. Based on the experimental results, a linear equation is proposed to estimate the relationship between the power loss and the number of cycles. The difference between the estimated results and the experimental results is found to be less than 3%.
Keywords: plastic optical fiber; cyclic tensile loading; displacement sensor plastic optical fiber; cyclic tensile loading; displacement sensor
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Chen, Y.-C.; Chen, L.-W.; Lu, W.-H. Power Loss Characteristics of a Sensing Element Based on a Polymer Optical Fiber under Cyclic Tensile Elongation. Sensors 2011, 11, 8741-8750.

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