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{|class="wikitable" style="margin:1em auto 1em auto;"
|+ {{navbar-header |1={{#if:{{{1|}}}|Table {{{1}}}. }}Radiometry coefficients|2=Radiometry coefficients}}
|-
! colspan="2" | Quantity
! rowspan="2" | SI units
! rowspan="2" | Notes
|-
! Name
! {{abbr|Sym.|Symbol}}
|-
| [[Emissivity|Hemispherical emissivity]]
| ''ε''
| {{n/a}}
| Radiant exitance of a ''surface'', divided by that of a ''black body'' at the same temperature as that surface.
|-
| [[Emissivity|Spectral hemispherical emissivity]]
| ''ε''''ν''  ''or'' ''ε''''λ''
| {{n/a}}
| Spectral exitance of a ''surface'', divided by that of a ''black body'' at the same temperature as that surface.
|-
| [[Emissivity|Directional emissivity]]
| ''ε''Ω
| {{n/a}}
| Radiance ''emitted'' by a ''surface'', divided by that emitted by a ''black body'' at the same temperature as that surface.
|-
| [[Emissivity|Spectral directional emissivity]]
| ''ε''Ω,''ν''  ''or'' ''ε''Ω,''λ''
| {{n/a}}
| Spectral radiance ''emitted'' by a ''surface'', divided by that of a ''black body'' at the same temperature as that surface.
|-
| [[Absorptance|Hemispherical absorptance]]
| ''A''
| {{n/a}}
| Radiant flux ''absorbed'' by a ''surface'', divided by that received by that surface. This should not be confused with "[[absorbance]]".
|-
| [[Absorptance|Spectral hemispherical absorptance]]
| ''A''''ν''  ''or'' ''A''''λ''
| {{n/a}}
| Spectral flux ''absorbed'' by a ''surface'', divided by that received by that surface. This should not be confused with "[[Absorbance|spectral absorbance]]".
|-
| [[Absorptance|Directional absorptance]]
| ''A''Ω
| {{n/a}}
| Radiance ''absorbed'' by a ''surface'', divided by the radiance incident onto that surface. This should not be confused with "[[absorbance]]".
|-
| [[Absorptance|Spectral directional absorptance]]
| ''A''Ω,''ν''  ''or'' ''A''Ω,''λ''
| {{n/a}}
| Spectral radiance ''absorbed'' by a ''surface'', divided by the spectral radiance incident onto that surface. This should not be confused with "[[Absorbance|spectral absorbance]]".
|-
| [[Reflectance|Hemispherical reflectance]]
| ''R''
| {{n/a}}
| Radiant flux ''reflected'' by a ''surface'', divided by that received by that surface.
|-
| [[Reflectance|Spectral hemispherical reflectance]]
| ''R''''ν''  ''or'' ''R''''λ''
| {{n/a}}
| Spectral flux ''reflected'' by a ''surface'', divided by that received by that surface.
|-
| [[Reflectance|Directional reflectance]]
| ''R''Ω
| {{n/a}}
| Radiance ''reflected'' by a ''surface'', divided by that received by that surface.
|-
| [[Reflectance|Spectral directional reflectance]]
| ''R''Ω,''ν''  ''or'' ''R''Ω,''λ''
| {{n/a}}
| Spectral radiance ''reflected'' by a ''surface'', divided by that received by that surface.
|-
| [[Transmittance|Hemispherical transmittance]]
| ''T''
| {{n/a}}
| Radiant flux ''transmitted'' by a ''surface'', divided by that received by that surface.
|-
| [[Transmittance|Spectral hemispherical transmittance]]
| ''T''''ν''  ''or'' ''T''''λ''
| {{n/a}}
| Spectral flux ''transmitted'' by a ''surface'', divided by that received by that surface.
|-
| [[Transmittance|Directional transmittance]]
| ''T''Ω
| {{n/a}}
| Radiance ''transmitted'' by a ''surface'', divided by that received by that surface.
|-
| [[Transmittance|Spectral directional transmittance]]
| ''T''Ω,ν  ''or'' ''T''Ω,''λ''
| {{n/a}}
| Spectral radiance ''transmitted'' by a ''surface'', divided by that received by that surface.
|-
| [[Attenuation coefficient|Hemispherical attenuation coefficient]]
| ''μ''
| m−1
| Radiant flux ''absorbed'' and ''scattered'' by a ''volume'' per unit length, divided by that received by that volume.
|-
| [[Attenuation coefficient|Spectral hemispherical attenuation coefficient]]
| ''μ''''ν''  ''or'' ''μ''''λ''
| m−1
| Spectral radiant flux ''absorbed'' and ''scattered'' by a ''volume'' per unit length, divided by that received by that volume.
|-
| [[Attenuation coefficient|Directional attenuation coefficient]]
| ''μ''Ω
| m−1
| Radiance ''absorbed'' and ''scattered'' by a ''volume'' per unit length, divided by that received by that volume.
|-
| [[Attenuation coefficient|Spectral directional attenuation coefficient]]
| ''μ''Ω,''ν''  ''or'' ''μ''Ω,''λ''
| m−1
| Spectral radiance ''absorbed'' and ''scattered'' by a ''volume'' per unit length, divided by that received by that volume.
|}<noinclude>
{{Documentation}}
</noinclude>

Template:Radiometry coefficients - Revision history

Indicwiki: 1 revision imported from :alpha:Template:Radiometry_coefficients

alpha>Indicwiki: Created page with "{|class="wikitable" style="margin:1em auto 1em auto;" |+ {{navbar-header |1={{#if:{{{1|}}}|Table {{{1}}}. }}Radiometry coefficients|2=Radiometry coefficients}} |- !..."

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109.70.40.55 at 21:36, 15 September 2022