CW and time domain procedures for accurate calibration of optical properties of liquid diffusive media at NIR wavelengths

F. Martelli; L. Spinelli; A. Farina; A. Pifferi; A. Torricelli; R. Cubeddu; G. Zaccanti

doi:10.1364/ECBO.2007.6629_16

Diffuse Optical Imaging of Tissue
Proceedings of SPIE-OSA Biomedical Optics (Optica Publishing Group, 2007),
paper 6629_16
•https://doi.org/10.1364/ECBO.2007.6629_16

CW and time domain procedures for accurate calibration of optical properties of liquid diffusive media at NIR wavelengths

F. Martelli, L. Spinelli, A. Farina, A. Pifferi, A. Torricelli, R. Cubeddu, and G. Zaccanti

European Conference on Biomedical Optics 2007

Munich Germany
17–21 June 2007
ISBN: 9780819467737

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TISSUE OPTICAL PROPERTIES (TOP)

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F. Martelli, L. Spinelli, A. Farina, A. Pifferi, A. Torricelli, R. Cubeddu, and G. Zaccanti, "CW and time domain procedures for accurate calibration of optical properties of liquid diffusive media at NIR wavelengths," in Diffuse Optical Imaging of Tissue, R. Cubeddu, ed., Vol. 6629 of Proceedings of SPIE-OSA Biomedical Optics (Optica Publishing Group, 2007), paper 6629_16.

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Abstract

In spite of many progresses achieved both with theories and with experiments in studying light propagation through diffusive media, a reliable method for accurate measurements of the optical properties of diffusive media at NIR wavelengths is, in our opinion, still missing. It is therefore difficult to create a reference diffusive medium. We describe two methods in the CW and time domain to calibrate the reduced scattering coefficient of a liquid diffusive medium and the absorption coefficient of an absorber with a standard error smaller than 2% for both the coefficients.

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