Basic radiometry and SNR eq. for CCD, ICCD - UNIS

Radiometry vs. photometry
Holst [1998] defines the term radiometry, as the
“energy or power transfer from a source to
a detector”
while photometry is defined as
“the transfer from a source to a detector
where the units of radiation have been
normalised to the spectral sensitivity of
the eye.”
UNIS 2011-11-15 – p. 6