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SM ISO690:2012 RUSU, Dragoş-Bogdan. Studii teoretice privind propagarea câmpului electromagnetic de unde milimetrice în mediile biologice VII
. In: Studia Universitatis Moldaviae (Seria Ştiinţe Reale şi ale Naturii), 2009, nr. 6(26), pp. 249-255. ISSN 1814-3237. |
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Studia Universitatis Moldaviae (Seria Ştiinţe Reale şi ale Naturii) | ||||||
Numărul 6(26) / 2009 / ISSN 1814-3237 /ISSNe 1857-498X | ||||||
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In this article the theoretical issues of high frequency electromagnetic fi eld propagation in complex living organism
medium are studied in order to obtain a proper evaluation and scientifi c approach for non-thermal biological effects
manifested at millimeter wave „in vivo” irradiation (30–300 GHz). Our main hypothesis starts from the following fact:
living biological tissues are heterogeneous dielectrically structures and can be assimilated with a Fabry – Pérot resonator.
Consequently, are studied the incident, respectively, refl ected and transmitted electromagnetic fi eld intensity of internal
and refl ected wave. Taking into account the Maxwell equations, we obtain the relationships between electromagnetic fi eld
energy densities. After applying a specifi c theoretical algorithm in which we consider that every of biological tissue layer
is characterized by its own refraction and absorption coeffi cient, respectively by its own phase, we obtain the expression
which characterizes the transmitted energy density after electromagnetic fi eld propagation through n layers. By this
mathematical expression we can quantify the electromagnetic energy after propagation through a biological medium. |
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