for UV Raman spectroscopists
UV Raman (with laser wavelengths below 400nm) can be used to probe specific sample properties, and benefit from experiment properties different from typical visible Raman measurements – for example, greatly increased Raman scattering efficiency, modified laser penetration within the sample, and resonance coupling to different chemical moeities. However, UV analyses come with a number of technical challenges, that require considered instrument design to allow UV Raman to be a truly useful tool for the researcher.
The optimized UV configuration of the LabRAM HR Evolution offers many distinct advantages for UV Raman spectroscopists. It is the only system available which has been built from the ground up to work in the broad UV-visible range, working from 200nm through to 2100nm. It utilises a fully achromatic, lens-free design.
Typical spectral resolution achievable in the deep UV region with the LabRAM HR Evolution.
Over broad ranges chromatic shifts induce a focal point gap between the white light optical image and laser spot. With the optional all-mirrored x74 objective, it is possible to remove any chromatic shift and abberation, allowing easier sample visualization and alignment, and true diffraction limited spatial resolution.
Depth profiles acquired with standard lens objective and HORIBA all reflective objective, illustrating the latter’s superior performance.
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