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Journal of Biological Physics logoLink to Journal of Biological Physics
. 2003 Jun;29(2-3):101–108. doi: 10.1023/A:1024472121239

Experimental Determination of the Far-Infrared Optical Properties of Biological Matter in Aqueous Solution

A Matei 1, M Dressel 1
PMCID: PMC3456414  PMID: 23345824

Abstract

Experimental details are given of how to reliably measure theoptical properties of aqueous solutions in the far-infraredspectral range using a Fourier transform spectrometer. We discussthe analysis of reflection and transmission data in order toobtain the refractive index and the absorption coefficient. Someresults on water and biological systems are presented.

Keywords: blood serum, far-infrared properties, Fourier-transform spectrometer, interference pattern, measurement cell, reflection measurements, silicon windows, water

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