24 August 2010 A proposal to solve the problem of lack of concordance in the measurement of temperature when using different radiators
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Abstract
Pyrometer calibration is a common task in most radiometry labs. When measurements are made in a wide range of temperatures, it is necessary to use different blackbody radiators to cover the whole interval. A problem that arises with this is the lack of concordance in the signals measured by the pyrometer when taken from different radiators. In a recent publication, Fourier theory is applied to measure the temperature of inhomogeneous objects, particularly periodic objects1. Those results are used to measure the temperature of the coil filament of a reference lamp (in a range from 300 K to 3300 K, approximately), considering the filament as a periodic object, which is modeled with a simple functions arrangement. Measurement verification is also presented by comparing our calculations to the experimental data of the lamp's temperature.
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J. C. Solorio-Leyva, J. C. Solorio-Leyva, J. G. Suárez-Romero, J. G. Suárez-Romero, J. B. Hurtado-Ramos, J. B. Hurtado-Ramos, "A proposal to solve the problem of lack of concordance in the measurement of temperature when using different radiators", Proc. SPIE 7767, Instrumentation, Metrology, and Standards for Nanomanufacturing IV, 77670R (24 August 2010); doi: 10.1117/12.860748; https://doi.org/10.1117/12.860748
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