# Brightness

(Difference between revisions)
 Revision as of 14:02, 26 September 2017 (view source)← Older edit Revision as of 14:10, 26 September 2017 (view source) (Languages, category)Newer edit → Line 1: Line 1: - Luminositél (''Fr''). + سطوع (''Ar''); Luminosité (''Fr''); Helligkeit (''Ge''); Luminosità (''It''); 明度 (''Ja''); Яркость (''Ru''); Brillo (''Sp''). '''Brightness''' is defined as the flux per unit of solid angle of the radiation cone. It takes thus the beam divergence into account. The unit is p.p.s. $\times$mra2. Brightness is an appropriate parameter to use when comparing two X-ray sources with identical focal spot size, as the definition does not contain a unit area. '''Brightness''' is defined as the flux per unit of solid angle of the radiation cone. It takes thus the beam divergence into account. The unit is p.p.s. $\times$mra2. Brightness is an appropriate parameter to use when comparing two X-ray sources with identical focal spot size, as the definition does not contain a unit area. + + [[Category: X-rays]]
Brightness is defined as the flux per unit of solid angle of the radiation cone. It takes thus the beam divergence into account. The unit is p.p.s. $\times$mra2. Brightness is an appropriate parameter to use when comparing two X-ray sources with identical focal spot size, as the definition does not contain a unit area.