Scattering of light with a change in frequency characteristic of the scattering substance, representing a change in the vibrational, rotational, or electronic energy of the substance that can be used to give information on its chemical bonding or mechanical stress state

Source

Scattering of light with a change in frequency characteristic of the scattering substance, representing a change in the vibrational, rotational, or electronic energy of the substance that can be used to give information on its chemical bonding or mechanical stress state

Source