Thermogram of a laptop

Thermogram of a laptop

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Credit: GIPHOTOSTOCK/SCIENCE PHOTO LIBRARY

Caption: Thermogram of a laptop. Thermography is a technique for visualizing the temperature of objects by recording the thermal emission at infrared wavelengths. This image was acquired with a specialized camera that uses a focal-plane array of vanadium oxide microbolometers as a sensor. It is sensitive to electromagnetic radiation in the wavelength range of 8 to 14 micron. The camera produces a 320x240-pixel image where different colours correspond to different temperatures. Shown here is a thermogram of a laptop computer. The localized high temperature region is due to the heat produced by the processor. A cooling fan blows hot air to the outside, its thermal signature is evident in the left of the image.

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Keywords: computer, cpu, electromagnetic radiation, heat, heat radiation, imaging, infrared, ir, laptop, processor, radiation, technology, temperature, thermal, thermal radiation, thermogram, thermograph, thermography

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