Chalcogenide 광섬유를 이용한 호흡측정 센서 개발을 위한 기초 연구
Feasibility study on the development of respiration sensor using a chalcogenide optical fiber
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Abstract
In this study, we have fabricated an infrared optical fiber based sensor which can monitor the respiration of a patient.environment because the sensor consists of low cost and compact mid-infrared components such as an infrared light source,a chalcogenide optical fiber and a thermopile sensor. A fiber-optic respiration sensor is capable of detecting carbon dioxide(CO2) in exhalation of a patient using the infrared absorption characteristics of carbon gases. The modulated infraredradiation due to the presence of carbon dioxide is guided to the thermopile sensor via a chalcogenide receiving fiber. Itis expected that a mid-infrared fiber-optic respiration sensor which can be developed based on the results of this studywould be highly suitable for respiration measurements of a patient during the procedure of an MRI.
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