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black body radiation
(redirected from Planck's law)

    Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia 0.01 sec.
radiation, black body 
The radiation emitted by a heated black body. See colour temperature.
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But from an experiment on one photonic crystal, the Sandia team reports that in the band of wavelengths with the most intense emissions, the heated material yields three times as much infrared radiation as Planck's law permits.
Hot crystal: lightbulbs and a radiation law may never be the same by Weiss, Peter Ulrich / Science News
A convenient technique to detect temperatures uses the spectral radiance method whereby the IR radiation intensity at a given wavelength is converted into a temperature via Planck's law or Wien's law (17, 18).
Role of polymer transparency and temperature gradients in the ... by Lai, Gwan-Ywan; Rietveld, Jeroen X. / Polymer Engineering and Science
 
 
 
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