Method and apparatus for measuring temperature
First Claim
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1. A method for determining temperature of a first substance comprising:
- acquiring a measurement of the absorption coefficient of the first substance at at least one wavelength; and
determining the temperature using the measurement of the absorption coefficient and known values of the absorption coefficient as a function of temperature at the at least one wavelength.
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Abstract
Determining the temperature of the water by measuring the absorption coefficient of water (32). The method for determining temperature of a first substance comprising acquiring a measurement of the absorption coefficient of the first substance at least one wavelength (30); and determining the temperature using the measurement of the absorption coefficient and known values of the absorption coefficient as a function of temperature at the at least one wavelength.
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Citations
37 Claims
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1. A method for determining temperature of a first substance comprising:
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acquiring a measurement of the absorption coefficient of the first substance at at least one wavelength; and
determining the temperature using the measurement of the absorption coefficient and known values of the absorption coefficient as a function of temperature at the at least one wavelength. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 31, 32, 33, 37)
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19. A method for determining temperature of a first substance comprised in a second substance comprising:
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acquiring a measurement of the absorption coefficient of the second substance at a plurality of wavelengths in a wavelength region of the absorption spectrum of the second substance for which the shape of the wavelength and temperature dependence of the absorption spectrum of the second substance is substantially the same as that of the absorption spectrum of the first substance; and
determining the temperature using the measurement of the absorption coefficient and known values of the absorption coefficient of the first substance as a function of temperature at the plurality of wavelengths. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 34, 35, 36)
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Specification