Fiber-Fabry-Perot (FFP) Thermometer For Medical Applications

R. Kist; S. Drope; H. Wolfelschneider

doi:10.1117/12.945075

12 November 1984 Fiber-Fabry-Perot (FFP) Thermometer For Medical Applications

R. Kist, S. Drope, H. Wolfelschneider

Proceedings Volume 0514, 2nd Intl Conf on Optical Fiber Sensors: OFS'84; (1984) https://doi.org/10.1117/12.945075
Event: 2nd International Conference on Optical Fiber Sensors, 1984, Stuttgart, Germany

Abstract

A laboratory version of a novel temperature sensor based on a Fiber Fabry Perot (FFP) interferometer and the wavelength control of a temperature stabilized laser diode is presented. The FFP with finesse of about 10 is observed in its reflected light at a fixed interference order to which the laser wave-length is continuously tuned by a corresponding variation of the injection current. The sensor in its present state allows for a resolution better than 0,1°C and a measuring interval of about 20°C. These properties along with the short and thin sensor tip geometry makes it an attractive device for medical applications such as continuous temperature measurements in hyperthermia systems.

Citation Download Citation

R. Kist, S. Drope, and H. Wolfelschneider "Fiber-Fabry-Perot (FFP) Thermometer For Medical Applications", Proc. SPIE 0514, 2nd Intl Conf on Optical Fiber Sensors: OFS'84, (12 November 1984); https://doi.org/10.1117/12.945075

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