radiometry, radiantintensity is the radiant flux emitted, reflected, transmitted or received, per unit solid angle, and spectral intensity is the radiant intensity
radiometry, radiant energy is the energy of electromagnetic and gravitational radiation. As energy, its SI unit is the joule (J). The quantity of radiant energy
radiometry, but in radiometry this usage leads to confusion with radiantintensity. Radiant exitance of a surface, denoted Me ("e" for "energetic", to avoid
Irradiance is often called intensity, but this term is avoided in radiometry where such usage leads to confusion with radiantintensity. In astrophysics, irradiance
In radiometry, radiant flux or radiant power is the radiant energy emitted, reflected, transmitted, or received per unit time, and spectral flux or spectral