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The primary source of infrared radiation is heat — the radiation produced by the thermal motion of charged particles in matter, including the motion of the atoms and molecules in an object. The higher the temperature of an object, the more its atoms and molecules vibrate, rotate, and twist through their vibrational modes, the more infrared radiation they radiate. Because infrared detectors can be “blinded” by their own heat, high-quality infrared sensing and imaging devices are usually cooled down…
Pixel-array Quantum Cascade Detector Paves the Way for Portable Thermal Imaging Devices
