Optical properties of human nails in THz frequency range

Victoria A. Guseva, Sviatoslav I. Gusev, Petr S. Demchenko, Egor A. Sedykh, Mikhail K. Khodzitsky

Abstract


This work is devoted to investigation of optical properties (dispersion of refractive index, permittivity and absorption coefficient) of human nails in THz frequency range. These data were obtained by THz time-domain spectroscopy (TDS) technique in transmission mode. These results may be used to develop non-invasive technique of human pathologies control using nail as a reference sample in reflection mode of THz TDS.


Keywords


Spectroscopy; nail; refractive index; permittivity; absorption; penetration depth

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