2 June 2014 All-fiber loading sensor based on 45° and 81° tilted fiber gratings
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Proceedings Volume 9157, 23rd International Conference on Optical Fibre Sensors; 91577Q (2014) https://doi.org/10.1117/12.2059096
Event: OFS2014 23rd International Conference on Optical Fiber Sensors, 2014, Santander, Spain
Abstract
Cardiovascular health of the human population is a major concern for medical clinicians, with cardiovascular diseases responsible for 48% of all deaths worldwide, according to the World Health Organisation. Therefore the development of new practicable and economical diagnostic tools to scrutinise the cardiovascular health of humans is a major driver for clinicians. We offer a new technique to obtain seismocardiographic signals covering both ballistocardiography (below 20Hz) and audible heart sounds (20Hz upwards). The detection scheme is based upon an array of curvature/displacement sensors using fibre optic long period gratings interrogated using a variation of the derivative spectroscopy interrogation technique
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Zhongyuan Sun, Zhongyuan Sun, Zhijun Yan, Zhijun Yan, Chengbo Mou, Chengbo Mou, Xiangchuan Wang, Xiangchuan Wang, Jianfeng Li, Jianfeng Li, Lin Zhang, Lin Zhang, } "All-fiber loading sensor based on 45° and 81° tilted fiber gratings", Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91577Q (2 June 2014); doi: 10.1117/12.2059096; https://doi.org/10.1117/12.2059096
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