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Feasibility study on the development of respiration sensor using a chalcogenide optical fiber

Chalcogenide 광섬유를 이용한 호흡측정 센서 개발을 위한 기초 연구

  • Yoo, Wook-Jae (School of Biomedical Engineering, College of Biomedical & Health Science, Research Institute of Biomedical Engineering, Konkuk University) ;
  • Cho, Dong-Hyun (School of Biomedical Engineering, College of Biomedical & Health Science, Research Institute of Biomedical Engineering, Konkuk University) ;
  • Jang, Kyoung-Won (School of Biomedical Engineering, College of Biomedical & Health Science, Research Institute of Biomedical Engineering, Konkuk University) ;
  • Oh, Jeong-Eun (School of Biomedical Engineering, College of Biomedical & Health Science, Research Institute of Biomedical Engineering, Konkuk University) ;
  • Lee, Bong-Soo (School of Biomedical Engineering, College of Biomedical & Health Science, Research Institute of Biomedical Engineering, Konkuk University) ;
  • Tack, Gye-Rae (School of Biomedical Engineering, College of Biomedical & Health Science, Research Institute of Biomedical Engineering, Konkuk University)
  • 유욱재 (건국대학교 의료생명대학 의학공학부, 의공학 실용기술 연구소) ;
  • 조동현 (건국대학교 의료생명대학 의학공학부, 의공학 실용기술 연구소) ;
  • 장경원 (건국대학교 의료생명대학 의학공학부, 의공학 실용기술 연구소) ;
  • 오정은 (건국대학교 의료생명대학 의학공학부, 의공학 실용기술 연구소) ;
  • 이봉수 (건국대학교 의료생명대학 의학공학부, 의공학 실용기술 연구소) ;
  • 탁계래 (건국대학교 의료생명대학 의학공학부, 의공학 실용기술 연구소)
  • Published : 2007.09.29

Abstract

In this study, we have fabricated an infrared optical fiber based sensor which can monitor the respiration of a patient. The design of a chalcogenide optical fiber based sensor is suitable for insertion into a high electro-magnetic field 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 ($CO_{2}$) in exhalation of a patient using the infrared absorption characteristics of carbon gases. The modulated infrared radiation due to the presence of carbon dioxide is guided to the thermopile sensor via a chalcogenide receiving fiber. It is expected that a mid-infrared fiber-optic respiration sensor which can be developed based on the results of this study would be highly suitable for respiration measurements of a patient during the procedure of an MRI.

Keywords

References

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