Definition of Kirchhoff's law

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Edmund Optics - Manufacturing Services 8/24 LB

Photonics Dictionary

Kirchhoff's law: For any point on a thermal radiator, at thermal equilibrium and for each wavelength, the emissivity in any direction is equal to the absorptance for radiation from the same direction.

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

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