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Absorption Spectra of Hemoglobin with Intermediate Oxygenation

Lloyd W. Hillman and Kurt R. Denninghoff

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Abstract

Oximetry assumes that absorption spectra of hemoglobin depend linearly on oxygenation and is therefore the weighted average of the fully oxygenated and de-oxygenated hemoglobin spectra. We demonstrate how intermediately oxygenated hemoglobin spectra change nonlinearly.

© 2005 Optical Society of America

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