Compensation For Effects Of Ambient Temperature On Rare-Earth Doped Fiber Optic Thermometer

G. Adamovsky; J. L. Sotomayor; M. J. Krasowski; J. G. Eustace

doi:10.1117/12.963071

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13 February 1990 Compensation For Effects Of Ambient Temperature On Rare-Earth Doped Fiber Optic Thermometer

G. Adamovsky; J. L. Sotomayor; M. J. Krasowski; J. G. Eustace

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Proceedings Volume 1169, Fiber Optic and Laser Sensors VII; (1990) https://doi.org/10.1117/12.963071
Event: OE/FIBERS '89, 1989, Boston, United States

Abstract

Variations in ambient temperature have a negative effect on the performance of any fiber optic sensing system. A change in ambient temperature may alter the design parameters of fiber optic cables, connectors, sources, detectors, and other fiber optic components and eventually the performance of the entire system. The thermal stability of components is especially important in a system which employs intensity modulated sensors. Several referencing schemes have been developed to account for the variable losses that occur within the system. However, none of these conventional compensating techniques can be used to stabilize the thermal drift of the light source in a system based on the spectral properties of the sensor material. The compensation for changes in ambient temperature becomes especially important in fiber optic thermometers doped with rare earths. Thus, the purpose of this work is to search and analyze different approaches to solving this problem.

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G. Adamovsky, J. L. Sotomayor, M. J. Krasowski, and J. G. Eustace "Compensation For Effects Of Ambient Temperature On Rare-Earth Doped Fiber Optic Thermometer", Proc. SPIE 1169, Fiber Optic and Laser Sensors VII, (13 February 1990); https://doi.org/10.1117/12.963071

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