Whole-body new-born and young rats' exposure assessment in a reverberating chamber operating at 2.4 GHz

Abstract : This paper presents the whole-body specific absorption rate (WBSAR) assessment of embryos and new-born rats' exposure in a reverberating chamber (RC) operating at 2.4 GHz (WiFi). The finite difference in time domain (FDTD) method often used in bio-electromagnetism is facing very slow convergence. A new simulation-measurement hybrid approach has been proposed to characterize the incident power related to the RC and the WBSAR in rats, which are linked by the mean squared electric field strength in the working volume. Peak localized SAR in the rat under exposure is not included in the content of the study. Detailed parameters of this approach are determined by simulations. Evolutions for the physical and physiological parameters of the small rats at different ages are discussed. Simulations have been made to analyse all the variability factors contributing to the global results. WBSAR information and the variability for rats at different ages are also discussed in the paper.
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Tongning Wu, Abdelhamid Hadjem, Man-Fai Wong, Azzedine Gati, Odile Picon, et al.. Whole-body new-born and young rats' exposure assessment in a reverberating chamber operating at 2.4 GHz. Physics in Medicine and Biology, IOP Publishing, 2010, 55 (6), pp.1619--1630. ⟨10.1088/0031-9155/55/6/006⟩. ⟨hal-00692928⟩

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