Design study of optical fiber F-P sensing system for bio-tissue temperature real-time measurement

Shan Ning; Guo Heng

doi:10.1117/12.905143

5 December 2011 Design study of optical fiber F-P sensing system for bio-tissue temperature real-time measurement

Shan Ning, Guo Heng

Proceedings Volume 8197, 2011 International Conference on Optical Instruments and Technology: Optical Systems and Modern Optoelectronic Instruments; 819711 (2011) https://doi.org/10.1117/12.905143
Event: International Conference on Optical Instruments and Technology (OIT2011), 2011, Beijing, Beijing, China

Abstract

The measurement theory of optical fiber F-P temperature sensor is analyzed according to difficult problem that temperature is real-time measured in the study of thermal interaction between laser and bio-tissue. The model of temperature and strain is established. The work point stabilization method of optical fiber F-P sensor is studied. The optimal model of low fineness optical fiber F-P sensing system is established based on the technique of dual optical wavelength stabilization. The experimental device of real-time measurement temperature is build. The experimental results show that the sensor has higher measurement precision and small bulk. And the hurt is little for bio-tissue. It can be used to the real-time temperature measurement of bio-tissue efficiency. When the sensor is used to the continuum temperature measurement, the maximum absoluteness error is 0.63°C and the maximum relatively error is 1.4%. When the sensor worked half hour, the maximum cumulate error is 1.3%.

Citation Download Citation

Shan Ning and Guo Heng "Design study of optical fiber F-P sensing system for bio-tissue temperature real-time measurement", Proc. SPIE 8197, 2011 International Conference on Optical Instruments and Technology: Optical Systems and Modern Optoelectronic Instruments, 819711 (5 December 2011); https://doi.org/10.1117/12.905143

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KEYWORDS

Sensors

Temperature metrology

Optical fibers

Temperature sensors

Thermal effects

Optical design

Sensing systems

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