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A surface coating that tricks thermal cameras


The appearing temperature of the coated letters is independent of the environment temperature (Image by Dr. Kechao Tang)


Wu group of UC Berkeley's Materials Science and Engineering department recently published a paper on Advance Materials, introducing a coating that is able to produce a deceptive thermal signal, making it's temperature much different from it's ambient environment.


Invented by Dr. Kechao Tang of Wu group, this coating uses a special structure that consists of a thin film of multi-layered tungsten-doped vanadium dioxide. The innovative materials structure allow the coating to emit infrared radiation that is independent of the actual temperature.


This coating has potential in military application as a way to trick enemy's thermal infrared detecting measures.

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