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  • Title: Comment on the modified Beer-Lambert law for scattering media.
    Author: Sassaroli A, Fantini S.
    Journal: Phys Med Biol; 2004 Jul 21; 49(14):N255-7. PubMed ID: 15357206.
    Abstract:
    We present a concise overview of the modified Beer-Lambert law, which has been extensively used in the literature of near-infrared spectroscopy (NIRS) of scattering media. In particular, we discuss one form of the modified Beer-Lambert law that is commonly found in the literature and that is not strictly correct. However, this incorrect form of the modified Beer-Lambert law still leads to the correct expression for the changes in the continuous wave optical signal associated with changes in the absorption coefficient of the investigated medium. Here we propose a notation for the modified Beer-Lambert law that keeps the typical form commonly found in the literature without introducing any incorrect assumptions.
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