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Determination of the validity of spectrophotometric measurements based upon cumulants of the temporal point-spread function

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Abstract

Spectrophotometric measurements of scattering media are nontrivial owing to the nonlinear relationship between the observed attenuation A and the level of absorption coefficient μa. Presented is a method, utilizing frequency-domain measurements, capable of determining the validity of a measured change in μa based purely on the characteristics of a baseline temporal point-spread function. The order of cumulant used is shown to provide variation of the sensitivity of the method, and its use is demonstrated through Monte Carlo simulations of transmission measurements taken from a scattering slab.

© 2008 Optical Society of America

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