Abstract
Some critical avionic systems require cooling air via vents on the side of the aircraft, thus creating leakage points for high-intensity electromagnetic radiation. This paper presents a novel application of high-intensity radiated field (HIRF) shielding using a rectangular waveguide array, while maintaining cooling airflow requirements. Signal attenuation versus frequency and depth of the array has been calculated using closed-form equations. The simulation and measurement results are in good agreement with the calculated values. © 2004 Wiley Periodicals, Inc. Microwave Opt Technol Lett 44: 130–132, 2005; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.20566
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