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JRM Vol.10 No.3 pp. 278-282
doi: 10.20965/jrm.1998.p0278
(1998)

Paper:

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Development of Oxygen Sensor Using Fiber-optics Coupler

Eiji Toba*, Masahiro Ichikawa*, Junji Kazama*, Toyonori Nishimatsu* and Hiroaki Aizawa**

*Faculty of Textile Science and Technology, Shinshu University, 3-15-1 Tokida, Uedashi, Nagano 386-8567, Japan

**Ohkura Electric Corp., 2-9-20 Shirako, Wako-City, Saitama 351-0101, Japan

Received:
April 17, 1998
Accepted:
June 5, 1997
Published:
June 20, 1998
Creative Commons License
Keywords:
Fiber-optics, Oxygen concentration, Solvent Green 5, Fluorescence, Blood
Abstract

This paper describes a fiber-optic oxygen sensor using fluorescence and its application to clinical examinations. The quenching ratio of fluorescence is proportional to oxygen partial pressure by Stern-Volmer’s formula in which oxygen concentration is estimated from measured emission intensity. We fabricated a microscopic luminous probe using a Solvent Green 5 doped plastic optical fiber coupler. The probe was studied as an oxygen sensor in visible light. We also clarified sensor characteristics.

Cite this article as:
E. Toba, M. Ichikawa, J. Kazama, T. Nishimatsu, and H. Aizawa, “Development of Oxygen Sensor Using Fiber-optics Coupler,” J. Robot. Mechatron., Vol.10, No.3, pp. 278-282, 1998.
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