Wavelength Range
Infrared waves have wavelengths longer than those of visible light. They span from approximately 700 nanometers (nm) (near the red edge of visible light) up to 1 millimeter. While we can’t see them directly, certain IR wavelengths can be detected under specific conditions.
What is Infrared (IR)?
Infrared (IR) is a type of electromagnetic radiation that has longer wavelengths than visible light, making it invisible to the human eye. It falls just beyond the red portion of the visible spectrum, hence its name meaning “below red.” Infrared radiation can carry heat and is commonly emitted by objects like the sun, light bulbs, and even living beings.
This radiation is used in various applications, including remote controls, night-vision devices, and thermal imaging cameras, as well as in telecommunications and some scientific research
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