Transferencia de energía electromagnética al tejido superficial humano (Transference of electromagnetic energy to superficial human skin tissue)

Ángel Joaquin García-Collado (ajgarcia@pdi.ucam.edu)1, Gregorio Jose Molina-Cuberos (gregomc@um.es)2, Jose Marti Soler (josemarsol_1@hotmail.com)1, Maria Jose Nuñez-Trigueros (maripepa@um.es)2


1Universidad Católica San Antonio
2Universidad de Murcia

This paper appears in: Revista IEEE América Latina

Publication Date: June 2009
Volume: 7,   Issue: 2 
ISSN: 1548-0992


Abstract:
The way the energy is absorbed when skin surface is being exposed to an electromagnetic radiation, and the physical consequences involved, are essentially the purposes of this study. In particular, we are dealing with High Frequency radiation. When it is directed toward the surface of the skin, energy is transmitted to its inner layers causing an increase of the temperature. This process has experimentally been proved to be beneficial in many cases. Yet theoretically there is still a slightly hollow basis about it. This study pretends to deal with that subject from its origin, and allows future study doors to tap in depth this theme. Skin tissue is actually a multilayer tissue with a different tissue in each layer. Each one of them is characterized by some parameters, such as permittivity, conductivity, density and specific heat. Two kinds of skin tissues will be analysed: a fibrous and a fatty one, each of both with different skin humidity. In a former study some parameters such a possible non-linear temporal evolution of tissue temperature and a redistribution of heat through the tissues had been neglected for simplicity.

Index Terms:
skin tissue, permittivity, conductivity, specific heat, temperature, High Frequency radiation   


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