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Area Lighting / Radiation, quantities and units

IEV ref845-01-26

Symbol
Φp
Φ

en
photon flux
quotient of the number of photons dNp emitted, transmitted, or received in an element of time dt, by that element

Φ p = d N p dt MathType@MTEF@5@5@+=feaagCart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHXgaruavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaeaaciWacmGadaGadeaabaGaaqaaaOqaaiabfA6agnaaBaaaleaacaqGWbaabeaakiabg2da9maalaaabaGaaeizaiaad6eadaWgaaWcbaGaaiiCaaqabaaakeaacaqGKbGaamiDaaaaaaa@3DCB@

unit: s- 1

Note – For a beam of radiation whose spectral distribution is d Φ e ( λ ) dλ MathType@MTEF@5@5@+=feaagCart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHXgaruavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaiqaciWacmGadaGadeaabaGaaqaaaOqaamaalaaabaGaaeizaiabfA6agnaaBaaaleaacaqGLbaabeaakmaabmaabaGaeq4UdWgacaGLOaGaayzkaaaabaGaaeizaiabeU7aSbaaaaa@3EB7@ or d Φ e ( v ) dv MathType@MTEF@5@5@+=feaagCart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHXgaruavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaiqaciWacmGadaGadeaabaGaaqaaaOqaamaalaaabaGaaeizaiabfA6agnaaBaaaleaacaqGLbaabeaakmaabmaabaGaamODaaGaayjkaiaawMcaaaqaaiaabsgacaWG2baaaaaa@3D45@ the photon flux Φp is Φ p = 0 d Φ e (λ) dλ λ h c 0 dλ= 0 d Φ e (v) dv 1 hv dv MathType@MTEF@5@5@+=feaagCart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHXgaruavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=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@6408@

h, Planck's constant= (6,626 0755 ± 0,000 0040) × 10−34 J • s
c0, speed of light in vacuum = 299 792 458 m • s−1.


fr
flux photonique, m
quotient du nombre de photons dNp émis, transmis ou reçus dans un élément de temps dt, par cet élément

Φ p = d N p dt MathType@MTEF@5@5@+=feaagCart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHXgaruavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaeaaciWacmGadaGadeaabaGaaqaaaOqaaiabfA6agnaaBaaaleaacaqGWbaabeaakiabg2da9maalaaabaGaaeizaiaad6eadaWgaaWcbaGaaiiCaaqabaaakeaacaqGKbGaamiDaaaaaaa@3DCB@

unité: s-1

Note – Pour un faisceau de rayonnement dont la répartition spectrale est d Φ e ( λ ) dλ MathType@MTEF@5@5@+=feaagCart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHXgaruavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaiqaciWacmGadaGadeaabaGaaqaaaOqaamaalaaabaGaaeizaiabfA6agnaaBaaaleaacaqGLbaabeaakmaabmaabaGaeq4UdWgacaGLOaGaayzkaaaabaGaaeizaiabeU7aSbaaaaa@3EB7@ ou d Φ e ( v ) dv MathType@MTEF@5@5@+=feaagCart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHXgaruavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaiqaciWacmGadaGadeaabaGaaqaaaOqaamaalaaabaGaaeizaiabfA6agnaaBaaaleaacaqGLbaabeaakmaabmaabaGaamODaaGaayjkaiaawMcaaaqaaiaabsgacaWG2baaaaaa@3D45@ , le flux photonique Φp est Φ p = 0 d Φ e (λ) dλ λ h c 0 dλ= 0 d Φ e (v) dv 1 hv dv MathType@MTEF@5@5@+=feaagCart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHXgaruavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=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@6408@

h, constante de Planck = (6,626 0755 ± 0,000 0040) × 10−34 J • s
c0, vitesse de la lumière dans le vide = 299 792 458 m • s−1.


ar
دفق فوتوني

de
Photonenstrom, m

es
flujo fotónico

fi
fotonivirta

it
flusso fotonico

ko
광자속

ja
光子流

no
nb fotonfluks

nn fotonfluks

pl
strumień fotonowy

pt
fluxo fotónico

sr
флукс фотона , м јд

sv
fotonflöde

Publication date: 1987
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