9 March 2016Evaluation of time-resolved multi-distance methods to retrieve absorption and reduced scattering coefficients of adult heads in vivo: Optical parameters dependences on geometrical structures of the models used to calculate reflectance
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Time-resolved multi-distance measurements are studied to retrieve absorption and reduced scattering coefficients of
adult heads, which have enough depth sensitivity to determine the optical parameters in superficial tissues and brain
separately. Measurements were performed by putting the injection and collection fibers on the left semi-sphere of the
forehead, with the injection fiber placed toward the temporal region, and by moving the collection fiber between 10 and
60 mm from the central sulcus. It became clear that optical parameters of the forehead at all collection fibers were
reasonably determined by selecting the appropriate visibility length of the geometrical head models, which is related to
head surface curvature at each position.
T. Tanifuji
"Evaluation of time-resolved multi-distance methods to retrieve absorption and reduced scattering coefficients of adult heads in vivo: Optical parameters dependences on geometrical structures of the models used to calculate reflectance", Proc. SPIE 9690, Clinical and Translational Neurophotonics; Neural Imaging and Sensing; and Optogenetics and Optical Manipulation, 96900Z (9 March 2016); https://doi.org/10.1117/12.2211246
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T. Tanifuji, "Evaluation of time-resolved multi-distance methods to retrieve absorption and reduced scattering coefficients of adult heads in vivo: Optical parameters dependences on geometrical structures of the models used to calculate reflectance," Proc. SPIE 9690, Clinical and Translational Neurophotonics; Neural Imaging and Sensing; and Optogenetics and Optical Manipulation, 96900Z (9 March 2016); https://doi.org/10.1117/12.2211246