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| Radiometry: Irradiance due to an extended-area source - geometry | Parent topic | Back |

Fig. 1. Geometry for the calculation of irradiance, E, at an axial point, P, of a perpendicular plane, a distance, r away, due to a disk-shaped extended-area lambertian light source, with and area AS and a radius, R.
| CITATION: Jonasz M. 2006. Radiometry: Irradiance due to an extended area source - geometry (www.tpdsci.com/Tpc/RdmIrdExtAreaSrc.php). In: Top. Part. Disp. Sci. (www.tpdsci.com). |
HISTORY: Published: 19-Jan-2009 Modified: 18-Jun-2009 Peer-reviewed: PENDING |
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