Irradiance: Difference between revisions

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imported>Niek Sanders
(Defn of irradiance.)
 
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Irradiance is a term in radiometry.  It is defined as the change in flux over the change in area:
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'''Irradiance''' is a term in [[Radiometry|radiometry]].  It is defined as the change in [[Radiant flux|flux]] over the change in area:


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Typical units are [<math>\frac{W}{m^2}</math>].  Irradiance typically varies as a function of wavelength.   
Typical units are [<math>\frac{W}{m^2}</math>].  Irradiance typically varies as a function of wavelength.   


The term "exitance" is used when talking about the irradiance leaving a surface.  (E.g. the exitance from an area source).
The term "exitance" is used when talking about the irradiance leaving a surface.  (E.g. the exitance from an area source).[[Category:Suggestion Bot Tag]]
 
 
[[Category:Physics Workgroup]]

Latest revision as of 07:00, 3 September 2024

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Irradiance is a term in radiometry. It is defined as the change in flux over the change in area:

Typical units are []. Irradiance typically varies as a function of wavelength.

The term "exitance" is used when talking about the irradiance leaving a surface. (E.g. the exitance from an area source).