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1922 – Brillouin scattering

1922 – Brillouin scattering

Leon Brillouin predicted that light could be scattered when traveling through a medium that interacts with sound waves. Sound waves (and some other types of waves) can compress a fluid medium, creating a density wave which changes the index of refraction, which in turn changes the way light moves through the medium, causing the scattering. Leonid Mandelstam is credited with simultaneous discovery of the effect.

PRECURSOR:
1871 – Rayleigh scattering (John Strutt)
1908 – Mie scattering

CONCURRENT:
1922 – Raman scattering
1922 – Compton scattering

SUBSEQUENT:

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