Preferred Label : luminance;
IUPAC definition : Photometric counterpart of radiance, producing the visual sensation called brightness.
Typical units are: candela m-2 (nit), candela cm-2 (stilb), foot lambert (2.426 nit).
As with all photometric quantities, luminance does not refer to a specific wavelength,
but applies to light emitted by a standard source (formerly a 'standard international
candle', now a blackbody radiator emitting at the temperature of solidifying platinum,
2042 K). Conversion from photometric units to radiometric units (e.g. J s-1) requires
convolution over wavelength of the relative spectral response of the human eye (photopic
response tables).;
Origin ID : L03640;
Automatic exact mappings (from CISMeF team)
- lumin [MeSH Supplementary Concept]
- False automatic mappings
- See also
Photometric counterpart of radiance, producing the visual sensation called brightness.
Typical units are: candela m-2 (nit), candela cm-2 (stilb), foot lambert (2.426 nit).
As with all photometric quantities, luminance does not refer to a specific wavelength,
but applies to light emitted by a standard source (formerly a 'standard international
candle', now a blackbody radiator emitting at the temperature of solidifying platinum,
2042 K). Conversion from photometric units to radiometric units (e.g. J s-1) requires
convolution over wavelength of the relative spectral response of the human eye (photopic
response tables).
