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DIRECTED
ENERGY
PROFESSIONAL
SOCIETY
Abstract: 24-Systems-228
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UNCLASSIFIED, PUBLIC RELEASE
Quantifying the Performance of E-field Sensors in Measuring Pulsed Waveforms inside Dispersive Media
Radio-frequency (RF) propagation through dispersive media remains a primary concern among private and public interests. Examples of radiating antennas near dispersive media include wearable and implantable biological monitors. Accurately measuring waveforms within a dispersive medium is necessary to assess these devices' performance and safety. Multiple computational methods have been developed to predict the fields within a dispersive medium due to an incident waveform. However, experimentally validating these computational predictions presents a challenge. A wide range of monopole antennas enclosed in dielectric shields have been proposed as E-field sensors for measuring fields inside dispersive media. In this work, we present a performance comparison between multiple E-field sensors in measuring pulsed waveforms in dispersive media such as deionized water, oil, and ethanol. We also compare their measurements with CST Microwave Studio computational predictions, highlighting the advantages and limitations of each sensor.
UNCLASSIFIED, PUBLIC RELEASE
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