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## Emission coefficient
## Additional recommended knowledge## Scattering of lightIn Thomson scattering a charged particle emits radiation under incident light. The particle may be an ordinary atomic electron, so emission coefficients have practical applications. If V dΩ dλ is the energy scattered by a volume element dV into solid angle dΩ between wavelengths λ and λ+dλ per unit time then the Emission coefficient is .
XThe values of ## Spontaneous EmissionA warm body emitting photons has a monochromatic emission coefficient relating its temperature and total power radiation, this is sometimes called the second "Einstein coefficient", and can be deduced from quantum mechanical theory. ## See also- The Diode equation includes the emission coefficient
- Plasma physics.
- An emission coefficient is also given for ballistic secondary electron emission.
- Luminous coefficient
Categories: Atomic physics | Scattering | Electromagnetic radiation |

This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Emission_coefficient". A list of authors is available in Wikipedia. |