IEVref:845-04-78ID:
Language:enStatus: Obsolete
Term: spectral linear absorption coefficient (at a point in an absorbing medium, for a collimated beam of radiation)
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Symbol: a(λ)
Definition: quotient of the relative decrease caused by absorption of the spectral concentration of the radiant flux Φe, λ of a collimated beam during its propagation along an elementary length dl at the point considered, by the length dl

a( λ )= 1 Φ e,λ d Φ e,λ dl MathType@MTEF@5@5@+=feaagCart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHXgaruavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaiqaciWacmGadaGadeaabaGaaqaaaOqaaiaadggadaqadaqaaiabeU7aSbGaayjkaiaawMcaaiabg2da9maalaaabaGaaGymaaqaaiabfA6agnaaBaaaleaacaqGLbGaaeilaiabeU7aSbqabaaaaOGaeyyXIC9aaSaaaeaacaqGKbGaeuOPdy0aaSbaaSqaaiaabwgacaqGSaGaeq4UdWgabeaaaOqaaiaabsgacaWGSbaaaaaa@4A53@

unit : m -1


Publication date:1987
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Internal notes:2017-06-02: Cleanup - Remove Attached Image 845-04-78.gif
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