near-infrared radiation


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near-infrared radiation

(nîr′ĭn′frə-rĕd′)
n.
Electromagnetic radiation having the shortest wavelengths in the infrared region, often considered to be between approximately 0.75 and 2.5 micrometers. Also called near-red radiation.
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References in periodicals archive ?
One layer of semiconductors--a mixture of mercury, cadmium, and telluride--records the near-infrared radiation, while a layer of silicon bonded to this material reads out the electronic signals.
Although these materials have very low visible-light transmittance levels, they transmit an unacceptably high level of near-infrared radiation.
However, intensive use of glass glazing can cause harsh lighting effects and lead to interior heat buildup from penetration of near-infrared radiation, especially in hot and/or sunny locales.
Giovanni Verri, a physicist in the museum's department of conservation and scientific research, developed a technique to exploit the fact that Egyptian blue emits near-infrared radiation when excited by visible light.
As recently as a decade ago, no one envisioned detecting near-infrared radiation from the face of Venus, To reach an orbiting telescope, for example, heat radiated from the surface must pass through dense layers of carbon dioxide - a gas that absorbs most nearinfrared light.