Definition of Planck's (radiation) law

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Excelitas PCO GmbH - PCO.Edge 11-24 BIO LB

Photonics Dictionary

Planck's (radiation) law

The formula describing the spectral radiant emittance of a perfect blackbody as a function of its temperature and the wavelength of the emitted radiation.

where Wλ equals radiation emitted into a hemisphere, C₁ equals 3.7405 x 10⁴, λ is wavelength (µm), e equals 2.7183, C₂ equals 1.4388 x 10⁴ and T is temperature in kelvin.

Edmund Optics - Manufacturing Services 8/24 MR

Lambda Research Optics, Inc. - CO2 Replacement Optics

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