The photon flow,
, at wavelength
per unit wavelength interval. The SI unit is
, but a commonly used unit is
.
Alternatively, the term can be used with the amount of
photons
(mol or its equivalent einstein), the SI unit then being
and the common unit
.
Source:
PAC, 1996, 68, 2223
(Glossary of terms used in photochemistry (IUPAC Recommendations 1996))
on page 2275
, at wavelength
per unit wavelength interval. The SI unit is
, but a commonly used unit is
.
Alternatively, the term can be used with the amount of
photons
(mol or its equivalent einstein), the SI unit then being
and the common unit
.