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KMID : 1137820090300060489
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의공학회지
2009 Volume.30 No. 6 p.489 ~ p.494
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Development of a Respiration Sensor Using Plastic Optical Fiber
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Yoo Wook-Jae
Baek Ji-Yun
Cho Dong-Hyun
Jang Kyoung-Won
Seo Jeong-Ki
Hur Ji-Yeon
Lee Bong-Soo
Cho Young-Ho
Park Byung-Gi
Moon Joo-Hyun
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Abstract
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In this study, we fabricated a plastic optical fiber based sensor which can monitor the respiration of a patient. The circumference changes of the abdomen were measured using a mirror, a light source and optical detectors because the circumferences of the abdomen could be varied with respiration. The intensity of the reflected lights were measured according to the changes of distance between mirror and plastic optical fiber connected to a light source and a photodiode-amplifier system using a Y-coupler. The respiration signals of fiber-optic sensor system were compared with those of the respiratory and temperature transducers of the system. It is expected that a fiber-optic respiration sensor could be developed for real time respiration monitoring during MRI procedure based on this study.
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KEYWORD
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fiber-optic sensor, plastic optical fiber, respiration measurement
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