Raman Scattering or the Raman effect is the inelastic scattering of a photon by molecules which are excited to higher vibrational or rotational energy levels. It is used to analyse a wide range of materials, including gases, liquids, and solids. Highly complex materials such as biological organisms and human tissue can also be analysed by Raman spectroscopy. Oxford Instruments' optical cryostats are used to study Raman Scattering - the type of cryostat will depend on your requirements in terms of sample environment (vacuum or exchange gas) and cooling technology (nitrogen, helium or Cryofree). 

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