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Optica Publishing Group
  • Chinese Optics Letters
  • Vol. 12,
  • Issue 10,
  • pp. 101202-
  • (2014)

Experimental characterization and correction of non-equivalence of Solar Irradiance Absolute Radiometer

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Abstract

We experimentally evaluate and correct the non-equivalence between electrical and radiative heating of solar irradiance absolute radiometer to compensate the systematic error of radiant power measurement at ambient pressure. A relative difference of the order of 0.08%-0.27% between electrical and radiative heating sensitivities is shown, and the resulting non-equivalence correction factor is calculated. The radiant power measurement equation is modified using the non-equivalence correction factor, a systematic deviation of 0.19% of radiant power measurement is hence eliminated.

© 2014 Chinese Optics Letters

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