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Optical properties of human whole blood: changes due to slow heating
Laser-Tissue Interaction and Tissue Optics II
Optical properties of human whole blood were measured in vitro at 633 nm with a double integrating sphere set-up. The blood was kept at constant flow through a flow cell while slowly heating the blood from approximately 25°C to 55°Cin a heat exchanger. The results show a small but distinct decrease in the g-factor of 1.7±0.6% and a similar increase in the scattering coefficient, p, of 2.9±0.6% at approximately 45-46°C. When studying the thermal effect on the blood cells under a white-lightdoi:10.1117/12.260746 fatcat:unmimqjuanb4jd4ocglnhafapq