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There’s an entire world our eyes miss, hidden in the ranges of light wavelengths that human eyes can’t see. But infrared cameras can pick up the secret light emitted as plants photosynthesize, as cool stars burn and batteries get hot. They can see through smoke and fog and plastic.
But infrared cameras are much more expensive than visible-light ones; the energy of infrared light is smaller than visible light, making it harder to capture. A new breakthrough by scientists with the University of Chicago, however, may one day lead to much more cost-effective infrared cameras—which in turn could enable infrared cameras for common consumer electronics like phones, as well as sensors to help autonomous cars see their surroundings more accurately.
“Traditional methods to make infrared cameras are very expensive, both in materials and time, but this method is much faster and offers excellent performance,” said postdoctoral researcher Xin Tang, the first author on a study which appeared Feb. 25 in Nature Photonics.
