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%.
Highlights
Compared with conventional glass fibers, polymer optical fiber (POF) offers a larger core diameter, higher numerical aperture, greater flexibility, lighter weight, easy coupling and lower cost [1,2].In recent years, the use of optical fiber sensors for measuring displacement, dynamic response, and other possible applications has become increasingly common [3,4,5,6]
Kuang et al [4,5] proposed ways for monitoring vertical deflection in concrete beams and monitoring dynamic response in composite beams using POF sensors in which a segment of the cross-sectional profile was deliberately removed in order to enhance the sensing performance
This study has investigated the effects of the cyclic load level and number of cycles on the power loss in polymer optical fibers deformed at load levels between 70 and 100 N
Summary
The use of optical fiber sensors for measuring displacement, dynamic response, and other possible applications has become increasingly common [3,4,5,6]. Babchenko and Maryles [3] developed a displacement sensor with a bent imperfect POF and demonstrated that its sensitivity was significantly. Sensors 2011, 11 enhanced by the presence of the imperfection. Kuang et al [4,5] proposed ways for monitoring vertical deflection in concrete beams and monitoring dynamic response in composite beams using POF sensors in which a segment of the cross-sectional profile was deliberately removed in order to enhance the sensing performance. The level sensor takes advantage of the imperfection and the different revolving spindle to increase the sensitivity. Kulkarni et al [7]
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
