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Surface and Internal-Temperature Versus Incident-Field Measurements of Polyurethane-Based Absorbers in the Ku Band

In recent years, there has been an increased need for testing antennas and radar systems at high power. Since absorbers work by transforming electromagnetic energy into thermal energy, there is a danger that in the presence of high fields, the absorber will reach temperatures that will cause it to ignite. In the present paper, standard polyurethane absorber was illuminated by a conical-horn antenna.

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Title
Surface and Internal-Temperature Versus Incident-Field Measurements of Polyurethane-Based Absorbers in the Ku Band
Author Zhong Chen and Vince Rodriguez, ETS-Lindgren
Publication IEEE Antennas and Propagation Magazine
Date February 2014
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