3. Principle of Raman scattering

The interaction between matter and monochromatic excitation light radiation (laser) leads to scattering whose energy is expressed in frequency (unit: THz), wavelength (nm) or wavenumber (cm ^–1 ), which can be elastic, then called "Rayleigh scattering" (only the direction of the light is modified), or inelastic, with energy exchange and frequency modification, called "Raman" and "Brillouin" scattering .

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Principle of Raman scattering

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Bibliography

(1) - LONG (D.A.) - Raman spectroscopy. - McGraw-Hill, New York (1977). TURRELL (G.), CORSET (J.). – Raman Microscopy – Developments and Applications. AcademicPress, Londres (1996).
(2) - GOUADEC (G.), COLOMBAN (Ph.) - Raman study of nanomaterials : how spectra...