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Stimulated Emission Predicted from Thermal Equilibrium

Einstein's equilibrium analysis required an induced emission process in which incident radiation increases the probability that an excited atom emits matching radiation.

Albert Einstein photographed in Princeton in 1947
Albert Einstein, Princeton, 1947. Photograph by Oren Jack Turner; Library of Congress image with no known restrictions. Wikimedia Commons source.
Read the explainer →Year 1917BerlinPhysics

Stimulated Emission Predicted from Thermal Equilibrium

1917 · Berlin · Germany · Physics

Einstein's equilibrium analysis required an induced emission process in which incident radiation increases the probability that an excited atom emits matching radiation.

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