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The paper provides insight into design of an advanced choke ring antenna (CRA) for a short-range mm-wave exposure chamber. An original design, suitable for implementation in metallized foam, is proposed. The CRA configuration is optimized to provide a uniform exposure of biological samples positioned close to the antenna aperture. Compared to standard waveguide feeds, a factor of 2 advantage in terms...
An advanced feed for a mm-wave short-range exposure system is reported. The feed configuration is optimized to provide a highly-uniform illumination of biological samples positioned close to the antenna aperture. The prototype of the antenna is fabricated in metallized foam and measured. Its near-field characteristics are studied using the infrared imaging technique. The significant advantages of...
The main purpose of this paper is to provide numerical and experimental dosimetry data for in vitro bioelectromagnetic experiments at millimeter waves. Numerical field-based and experimental temperature-based approaches were implemented in order to determine the average specific absorption rate (SAR) values in typical biological samples commonly used in bioelectromagnetic studies. It was shown that...
This paper provides extensive dosimetry data for invitro experiments regarding the biological effects of millimeter waves. Two particular frequency ranges have been considered, which are: (1) the 57-64-GHz frequency range dedicated to near-future applications in high-speed wireless communication systems and (2) the discrete frequencies used in millimeter-wave therapy, namely, 42.25, 53.57, and 61...
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