A MOMENT IN HISTORY
C. V. Raman discovers the Raman effect
1928 CE · India, Asia · Science
In chemistry and physics, Raman scattering or the Raman effect is the inelastic scattering of photons by matter, meaning that there is both an exchange of energy and a change in the light's direction (momentum). Typically this effect involves vibrational energy being gained by a molecule as incident photons from a visible laser are shifted to lower energy.
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