Researchers Prove Fundamental Limits of Electromagnetic Energy Absorption

Researchers Prove Fundamental Limits of Electromagnetic Energy Absorption

Alvin Lieberman Alvin Lieberman

Alvin Lieberman

CHIEF SYSTEMS ENGINEER | PE | ENGR, MSEE, BEE | NASA,FAA,IBM,NRL,USAF,USN,SSPO | S&T | RDT&E | AIAA,IEEE,NSPE,INCOSE,SPIE,ION,ANS,NDIA |

Published Mar 18, 2024
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Mathematical solution evaded discovery for over two decades. Electrical engineers at Duke University have determined the theoretical fundamental limit for how much electromagnetic energy a transparent material with a given thickness can absorb. The finding will help engineers optimize devices designed to block certain frequencies of radiation while allowing others to pass through, for applications such as stealth or wireless communications.“Much of the physics of the known universe already have fundamental solutions or are too complex to get an exact answer,” said Willie Padilla, professor of electrical and computer engineering at Duke. “In any field, finding a truly novel, fundamental, exact result like this is rare.”

Bob Scully, PhD

Electromagnetic Compatibility Specialist

9mo

Is a link to the published paper available?

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