Raman effect

Raman effect
Raman effect n a change in frequency undergone by a portion of the light that has been scattered in passage through a transparent liquid, solid, or gas whose characteristics determine the amount of change

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when a substance is irradiated with monochromatic light, the spectrum which the substance scatters contains, in addition to a line of the same wavelength as the incident radiation, lines which are satellites of the primary line moving with it when the wavelength of the primary radiation is altered.

Medical dictionary. 2011.

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