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IR Fourier Spectroscopy in Vivo of Human Skin during Its Ablation on Exposure to YAG:Er Laser Radiation and Polarization of the Light Scattered by the Integument |
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| Authors: | A P Sviridov D A Zimnyakov Yu P Sinichkin L N Butvina A I Omel'chenko G Sh Makhmutova V N Bagratashvili |
| Institution: | (1) Institute of Problems of Laser and Information Technologies, Russian Academy of Sciences, Troitsk, Russia;(2) Saratov State University, 155 Moskovskaya Str., Saratov, 410026, Russia;(3) Scientific Center of Fiber Optics, Russian Academy of Sciences, Moscow, Russia;(4) Polyclinic No. 1, Administration of the President of the Russian Federation, Moscow, Russia |
| Abstract: | We consider the possibility of monitoring the process of human skin ablation on exposure to pulsed IR laser radiation with the use of the polarization and IR Fourier spectroscopy of disturbed total internal reflection. The laws of the change in the content of water and proteins in the surface layers of skin as a result of cyclic laser effect have been discovered. The interrelation between the degree of polarization of the backward scattered probe radiation with the wavelength corresponding to the maxima of absorption of an oxygenated form of hemoglobin and the index of erythema occurring due to laser action has been established. |
| Keywords: | epidermis hemoglobin melanin laser ablation polarization multiple scattering IR Fourier spectroscopy disturbance of total internal reflection |
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