Irradiance [Surface density of the radiant flux]
Radiant flux across a unit surface in all possible directions within a hemispherical solid angle.
Comment. We distinguish between "absorption," "reflection," "effective," and "resultant" irradiance.
Radiant flux across a unit surface in all possible directions within a hemispherical solid angle.
Comment. We distinguish between "absorption," "reflection," "effective," and "resultant" irradiance.