Studies of blood gas determination and intelligent image

Chih-Cheng Wang; Xiaogang Jin

doi:10.1117/12.50078

1 August 1991 Studies of blood gas determination and intelligent image

Chih-Cheng Wang, Xiaogang Jin

Proceedings Volume 1572, International Conference on Optical Fibre Sensors in China OFS(C) '91; (1991) https://doi.org/10.1117/12.50078
Event: International Conference on Optical Fibre Sensors in China, 1991, Wuhan, China

Abstract

A fiberoptic sensor (FOS) has been developed. In recent years , progress has been made in the understanding the theory of laser absorption and emission and the electronic components and fiberoptic necessary to make up a useful instrument. The technique has been an analytical method of major importance in the areas of geochemistry , biomedical and blood gas analysis. According to the type of variables to be measured , the wide range classes of biomedical optical fiber sensor can be defined. Biomedical sensors can be used for oxygen saturation , pH, P02 , PCO2 measurement. Blood gas sensors make use of an appropriate reversible reagent fixed at a fiber end , which modulates the light , and allow spectrophotometric or fluorimetric analysis. An example of such a device would be a pH sensor based on an immobilized dye whose color or fluorescence properties vary with pH. The term optrode is used to describe these devices ; probe radiation=detected radiation + reagent phase. The instrumentation for fiberoptic based on medical sensors can be simple or complex according to the particular applications. Laser excitation may be used for long-distance transmission of excitation radiation or for getting a useful signal from a small amount of reagent.

Citation Download Citation

Chih-Cheng Wang and Xiaogang Jin "Studies of blood gas determination and intelligent image", Proc. SPIE 1572, International Conference on Optical Fibre Sensors in China OFS(C) '91, (1 August 1991); https://doi.org/10.1117/12.50078

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KEYWORDS

Sensors

Blood

Biomedical optics

Fiber optics

Fiber optics sensors

Intelligent sensors

Optical fibers

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