Evaluation of Light-Emitting Diodes for Whole Blood Oximetry

A. P. Shepherd, J. W. Kiel, G. L. Riedel

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

The difference between the optical extinction coefficients of oxy- and deoxyhemoglobin is a primary concern in the design of blood oxygen instrumentation. In this communication, we report the apparent values for the molar extinction coefficients of hemoglobin under conditions of interest to instrument designers, namely, with whole blood and with unfiltered LED illumination. Extinction coefficient values are reported for four commercially available LED’s with typical spectral half-intensity bandwidths and peak emissions ranging from 660 to 940 nm.

Original languageEnglish (US)
Pages (from-to)723-725
Number of pages3
JournalIEEE Transactions on Biomedical Engineering
VolumeBME-31
Issue number11
DOIs
StatePublished - Nov 1984

ASJC Scopus subject areas

  • Biomedical Engineering

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