Irradiance: Difference between revisions
Jump to navigation
Jump to search
imported>Niek Sanders m (Updated link to Flux.) |
imported>David E. Volk (subpages) |
||
| Line 1: | Line 1: | ||
Irradiance is a term in [[Radiometry|radiometry]]. It is defined as the change in [[Radiant flux|flux]] over the change in area: | {{subpages}} | ||
'''Irradiance''' is a term in [[Radiometry|radiometry]]. It is defined as the change in [[Radiant flux|flux]] over the change in area: | |||
<math> | <math> | ||
| Line 7: | Line 8: | ||
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). | ||
Revision as of 22:17, 2 January 2008
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).