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UV Raman Spectrometer

WP 248 for Fluorescence-Free Raman Spectroscopy

The trade-off between signal strength and fluorescence background often dominates the choice of excitation wavelength for Raman spectroscopy. Thanks to the Wasatch Photonics WP 248 UV Raman spectrometer, fluorescence background can be easily eliminated. The WP 248 is the first compact, modular, high sensitivity UV Raman spectrometer that provides all of the advantages of UV Raman spectroscopy without the need for a complex, bulky and expensive benchtop setup.

Features & Benefits

What can the new Wasatch WP 248 UV Raman spectrometer do for you?

  • Fluorescence-free research and UV resonance Raman spectroscopy.
  • 400 – 3200 cm-1 measurement range enabled by a custom longpass filter.
  • Captures «clean» spectra in seconds (see examples below).
  • Collects signal from a collimated FOV using an integrated lens (a user-changeable free-space input is available upon request).
  • High NA, f/2.0 optical design based upon a Wasatch VPH diffraction grating for superior sensitivity.
  • Choice of uncooled or TEC-regulated detector to suit application needs.
  • Triggering accessory included to synch acquisition with the optional deep UV laser.
  • Complementary ENLIGHTEN™ software & SDKs.
  • OPTIONAL: compact, NeCu free-space laser @ 248.6nm.

UV Raman Spectra

Why UV Raman?

UV Raman spectroscopy removes the risk of fluorescence background to yield cleaner Raman signals and improved signal-to-noise. It enables UV resonance Raman (UVRR), which is a highly selective & sensitive technique that can probe specific parts of biological macromolecules with greatly enhanced signal strength and less noise. UV Raman is an alternative option for highly fluorescent biological samples as well as those materials that suffer from heat damage when excited with a 1064nm laser source.

The new Wasatch WP 248 Raman spectrometer makes UV Raman spectroscopy accessible to a wider range of applications spanning materials analysis, trace detection, and studies of biological structure and dynamics. The addition of the UV Raman spectrometer to the range of Raman colours already offered, enriches the possibilities for this technique with fluorescence-free spectra in the most challenging of applications.

An optional NeCu laser is available to complete your UV Raman spectrometer system. Operating at a wavelength of 248.6nm with a quasi-CW output, the laser is compact, being the size, weight and power cunsumption of a traditional HeNe (633nm) laser, but with an output in the deep UV.

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