1 April 1992 Infrared detection of free-field and cavity perturbations of electromagnetic probe measurements
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Abstract
An IR detection technique has been developed to detect and map electric fields near radiation sources or scattering bodies. In this paper, this IR technique is used to determine the most accurate use of standard electric D-dot and magnetic B-dot probes when used to measure EM fields in free-space or inside cavities. The measurement accuracy of these probes is determined as a function of frequency for three different measurement configurations. The effect of mutual coupling between two identical probes in close proximity is also presented as a function of the separation distance between the probes. The far-field voltage response of the probes is determined for an incident plane wave. The effect of placing the probes in a cavity on the measurement accuracy of the probes is determined.
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John D. Norgard, John D. Norgard, Ronald M. Sega, Ronald M. Sega, Michael F. Seifert, Michael F. Seifert, John C. Cleary, John C. Cleary, Michael G. Harrison, Michael G. Harrison, } "Infrared detection of free-field and cavity perturbations of electromagnetic probe measurements", Proc. SPIE 1682, Thermosense XIV: An Intl Conf on Thermal Sensing and Imaging Diagnostic Applications, (1 April 1992); doi: 10.1117/12.58545; https://doi.org/10.1117/12.58545
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