Deep UV Raman spectroscopy operates in the ultraviolet range of the spectrum, between 200 and 280 nm. Deep UV Raman spectroscopy offers the ability to detect, identify and quantify substances at much lower concentrations than is possible with near-UV, visible, or infrared (IR) methods. This is due to (a) higher photon energy (λ-4 relationship), (b) sample resonance and (c) fluorescence mitigation.
At UV wavelengths, fluorescence and Raman signatures become spectrally separated. In complex biomolecules, chromophores and aromatics resonate resulting in a substantially amplified Raman signature compared to analogous measurements in the visible region of the spectrum. Deep UV Raman analysis then allows for the study of the structure and dynamics of complex materials such as proteins and nucleic acids.
ODIN – our deep UV resonant Raman spectrometer, allows us to see into previously unseen worlds.