Spectroscopic temperature measurement

Details Spectroscopic temperature measurement Spectroscopic temperature measurement

G - Physics

01

J

73/52, 73/55

G01J 3/28 (2006.01) G01J 3/26 (2006.01)

Patent

CA 1062035

INVENTION: SPECTROSCOPIC TEMPERATURE MEASUREMENT INVENTOR: Joseph J. Barrett ABSTRACT OF THE DISCLOSURE A method and apparatus for determining the temperature of gaseous materials are provided. Light produced by scattering in a gaseous material and having spectral components periodic in frequency is collected, collimated and transmitted by a light conditioning means to an interferometric means. The interfero- metric means selectively separates periodic spectra from the light and transmits the spectra in the form of a detectable signal containing first and second branches of the spectra. Means are provided for measuring the intensities of the branches and detecting and recovering the intensity ratio thereof, which is correlated with the temperature of the gaseous material.

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