Steven W. Brown, B. Carol Johnson, and Keith R. Lykke
This article describes some of
the methods developed to make accurate measurement of light a reality. We describe three ongoing research programs aimed at establishing measurement chains between fundamental optical flux measurements and the more practical quantities of commercial and scientific interest: spectral irradiance, spectral radiance, and radiance temperature.
Access to the full text of this article is restricted. In order to view this article please log in.