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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, 1998Accepted:June 5, 1997Published:June 20, 1998
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.Data files:
