Frequency dependence of heating of human skin exposed to millimeter waves |
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Authors: | S I Alekseev M C Ziskin E E Fesenko |
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Institution: | 1.Institute of Cell Biophysics,Russian Academy of Sciences,Pushchino, Moscow Region,Russia;2.Center for Biomedical Physics,Temple University Medical School,Philadelphia,USA |
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Abstract: | In this paper we studied experimentally the frequency dependence of heating of human skin exposed to millimeter waves. Theoretical
modeling of obtained data was performed using the hybrid bio-heat equation. It was found that the skin heating and SAR increased
with increasing the exposure frequency. The frequency dependence of heating was entirely resulted from that of reflection
from the skin. Unlike temperature, the frequency dependence of the SAR was due to the increased absorption of millimeter wave
energy within the thin surface layer of the skin. |
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