Queries, comments, suggestions? Please contact us.



Area Lighting / Emission, optical properties of materials

IEV ref845-04-102

Symbol
κ(λ)

en
spectral absorption index (of a heavily absorbing material)
quantity defined by the formula

κ( λ )= λ 4π a( λ ) MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGe aGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaq Fn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpe WZqaaiqaciWacmGadaGadeaabaGaaqaaaOqaaiabeQ7aRnaabmaaba Gaeq4UdWgacaGLOaGaayzkaaGaeyypa0ZaaSaaaeaacqaH7oaBaeaa caaI0aacdaGae8hWdahaaiaadggadaqadaqaaiabeU7aSbGaayjkai aawMcaaaaa@43AF@

where a(λ) is the spectral linear absorption coefficient

unit : 1


fr
indice d'absorption spectral (d'un matériau fortement absorbant) m
grandeur définie par la formule

κ( λ )= λ 4π a( λ ) MathType@MTEF@5@5@+=feaagCart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHXgaruavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaiqaciWacmGadaGadeaabaGaaqaaaOqaaiabeQ7aRnaabmaabaGaeq4UdWgacaGLOaGaayzkaaGaeyypa0ZaaSaaaeaacqaH7oaBaeaacaaI0aacdaGae8hWdahaaiaadggadaqadaqaaiabeU7aSbGaayjkaiaawMcaaaaa@43AD@

a(λ) est le coefficient d'absorption linéique spectral

unité : 1


ar
دليل الامتصاص الطيفي (لمادة شديدة الإمتصاص)

de
spektraler Absorptionsindex (eines stark absorbierenden Materials), m

es
índice de absorción espectral

fi
spektrinen absorptioindeksi

it
indice spettrale di assorbimento (di un materiale fortemente asorbente)

ko
분광 흡수율, 고흡수재

ja
分光吸収率

no
nb spektral absorpsjonsindeks

nn spektral absorpsjonsindeks

pl
współczynnik pochłaniania widmowy (materiału silnie pochłaniającego)

pt
índice de absorção espectral (de um material fortemente absorvente)

sv
absorptionsindex

Publication date: 1987
Copyright © IEC 2020. All Rights Reserved.