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Electromagnetic and Thermal Dosimetry of a Cylindrical Waveguide-Type in vitro Exposure Apparatus

In this paper, dosimetry of an in vitro exposure apparatus based on a cylindrical waveguide is performed. The SAR distributions are first obtained numerically by using FDTD method. The thermal fields in the medium are then estimated by numerical calculations of the equation of heat conduction. The maximum temperature rise for 17.9 W/kg average SAR during 3000 s exposure is about 2°C on the bottom of the medium where cells are located. The thermal distribution is relatively uniform new the center of the dish and the temperature in this region is around 38.7°C. The results of the numerical calculation are experimentally supported. The results provide the electromagnetic and thermal characteristics of the exposure apparatus, which will define the exposure conditions of the planned experiments using this apparatus.