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Bulgarian Journal of Physics
Print: 1310-0157 Online: 1314-2666
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RECOGNIZED BY THE EUROPEAN PHYSICAL SOCIETY 
Bulg. J. Phys. vol.26 no.3-4 (1999), pp. 165-171
The Efficiency of Laser Radiation Absorption by Hemoglobin and Oxyhemoglobin in the Skin Blood Vessels
M. Asimov1, R. Asimov1, A. Gisbrecht2
1Institute of Physics, Academy of Sciences of Belarus, 70 Skarina Pr., 220072 Minsk, Belarus
2Institute of Electronics, Bulgarian Academy of Sciences, 72 Tzarigradsko chaussee Blvd, 1784 Sofia, Bulgaria
go back1Institute of Physics, Academy of Sciences of Belarus, 70 Skarina Pr., 220072 Minsk, Belarus
2Institute of Electronics, Bulgarian Academy of Sciences, 72 Tzarigradsko chaussee Blvd, 1784 Sofia, Bulgaria
Abstract. The results of the investigation of the efficiency of light absorption by oxyhemoglobin (HbO2) and deoxyhemoglobin (Hb) in cutaneous blood vessels in dependence on the radiation wavelength and the optical properties of the tissue is presented. Using the Kubelka–Munk optical model of the tissue the spectral dependence of the efficiency of laser interaction both on HbO2 and Hb of blood vessels at different depths of the tissue layer are calculated. The obtained results show that for blood vessels located in tissue up to a depth of 2500 μm the efficiency of laser radiation absorption follows the shape of the Q-absorption bands of HbO2 and Hb.