Emission from human skin in the sub THz frequency band

Noa Betzalel, Paul Ben Ishai, Alexander Puzenko, Yuri Feldman*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


Recently published Radiometric measurements of human subjects in the frequency range 480–700 GHz, demonstrate the emission of blackbody radiation from the body core, rather than the skin surface. We present a detailed electromagnetic simulation of the dermis and epidermis, taking into account the presence of the sweat duct. This complex structure can be considered as an electromagnetic bio-metamaterial, whereby the layered structure, along with the topology of the sweat duct, reveals a complex interference pattern in the skin. The model is capable of accurately representing the skin greyness factor as a function of frequency and this is confirmed by radiometry of living human skin.

Original languageAmerican English
Article number4720
JournalScientific Reports
Issue number1
StatePublished - Dec 2022

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