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 Infrared
optics also referred to as IR optics, are heat absorbing filters. Infrared
optics are designed to reflect or block mid-infrared wavelengths but allow
visible light to pass. Infrared optics are very often used in devices that have
bright incandescent light bulbs, overhead projectors, for example, and are used
to prevent unwanted heating. Infrared optics filters are also used in solid
state video cameras, and this is to block Infrared due to the high intensity of
many camera sensors, to near infrared light. Infrared IR radiation is
electromagnetic radiation whose wavelength is longer than that of visible light.
Infrared optics are implemented in many industries, fabrication/welding and
electronics being just two examples.
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