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A study introduced by a group led by electrical engineers at the University of California, San Diego describes a thin, large-scale device that converts infrared light into images. Tests showed that the imager can be used to see through smog and smoke, to see through silicon wafers to inspect the quality and composition of electronic boards, and to map a person’s blood vessels while monitoring heart rate at the same time, and without touching the subject’s skin.
The imager detects the shortwave infrared part of the spectrum and falls just outside the visible spectrum. In application, it shines shortwave infrared light on an object or area of interest and then converts the low-energy infrared light that is reflected back to…READ MORE