NASA NTRS · 19860047308
Fibre-optic thermometer using semiconductor-etalon sensor
Abstract
A fiber-optic thermometer is described which uses a thick-film SiC sensing etalon. The etalon's temperature-dependent phase shift is determined by analyzing its spectral reflectance, using an LED and a tunable Michelson interferometer. Temperatures from 20 to 1000 C are measured with better than 0.5 deg C resolution.
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Beheim, G.. 1986-02-27. Fibre-optic thermometer using semiconductor-etalon sensor. https://ntrs.nasa.gov/citations/19860047308
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