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| Beam spread function: Definition | Parent topic |
Fig. 1. Geometry of the definition of the beam spread function (BSF) of turbid medium (after Gordon HR 1994). S is a unidirectional light source (collimated light beam) emitting in a direction defined by the unit vector, uS, D is the irradiance detector (irradiance meter), uD0 is the unit vector pointing from the source to the detector, r is the distance between the irradiance meter and the light source. A "plane" version of BSF is defined at a finite-size image plane tangent to the spherical surface.
| CITATION: Jonasz M. 2009. Beam spread function: Definition geometry (www.tpdsci.com/Tpc/ImgTmBsfDefFig.php). In: Top. Part. Disp. Sci. (www.tpdsci.com). |
HISTORY: Published: 19-Jan-2009 Modified: 19-Jan-2009 Peer-reviewed: 12-Feb-2009 |
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