Assessment of absorbed power density in multilayer planar model of human tissue

Author:

Poljak Dragan1,Šušnjara Anna1,Kraljević Lucija1

Affiliation:

1. University of Split , Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture, R. Boškovića 32, 21000 Split, Croatia

Abstract

Abstract The paper deals with the determination of the absorbed power density (Sab) in a planar multilayer model of a tissue exposed to the radiation of a dipole antenna, based on the analytical/numerical approach. A derivation of Sab from the differential form of Poynting theorem is presented. The two-layer and three-layer tissue models are used. Illustrative analytical/numerical results for electric and magnetic fields and Sab induced at the tissue surface for various antenna lengths, operating frequencies and antenna-interface distances are presented in the paper. Exposure scenarios of interest pertain to frequencies above 6GHz pertaining to 5G mobile systems.

Funder

European Regional Development Fund

Publisher

Oxford University Press (OUP)

Subject

Public Health, Environmental and Occupational Health,Radiology, Nuclear Medicine and imaging,General Medicine,Radiation,Radiological and Ultrasound Technology

Reference7 articles.

1. Guidelines for limiting exposure to electromagnetic fields (100 kHz to 300 GHz);International Commission on Non-Ionizing Radiation Protection (ICNIRP);Health Phys.,2020

2. IEEE standard for safety levels with respect to human exposure to radio frequency electromagnetic fields, 3 kHz to 300 GHz;IEEE Std C95.1-2019 (Revision of IEEE Std C95.1-2005/ Incorporates IEEE Std C95.1-2019/Cor 1-2019),2019

3. Absorbed power density at the surface of planar tissue due to radiation of dipole antenna;Poljak;2021 6th International Conference on Smart and Sustainable Technologies (SpliTech), Bol and Split, Croatia,2021

4. Absorbed power density in a multilayer tissue model due to radiation of dipole antenna at GHz frequency range part I: theoretical background;Poljak,2022

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2. Impact of different voltage source models on antenna current and input impedance within the boundary element method formalism;2023 24th International Conference on Applied Electromagnetics and Communications (ICECOM);2023-09-27

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