DUV Raman/PL 200

DUV Raman/PL 200 is a more traditional, but still miniature, deep UV Raman and fluorescence spectrograph employing a TE cooled back thinned, back illuminated CCD array detector.

Deep UV excited Raman & photoluminescence spectroscopy is an emerging analytical instrument technology with vast potential for a wide range of commercial, industrial, and research applications. A major limitation of Raman spectroscopy conducted in the near UV, visible, or near IR is obscuration or interference of the Raman signals due to background fluorescence from the analyte or its background or surroundings within the laser beam interrogation spot. This interference limits the types of materials and compositions or backgrounds for which Raman spectroscopy is useful.

Native fluorescence is a phenomenon which does not occur below about 270 nm for the vast majority of materials, independent of excitation wavelength. Raman, on the other hand, is dependent on excitation wavelength and when excitation occurs below 250 nm, there exists a spectral region within which to observe over 3000 cm-1 of Raman shifted emissions without obscuration or interference from fluorescence.

The DUV Raman/PL 200 provides most of the benefits capability of deep UV Raman and fluorescence systems costing 5 times more and drawing 10kW or more. Raman resolution is 15 cm-1. Fluorescence resolution is 0.3 nm.

This instrument has options for LN2 and LHe sample cooling stages as well as motorized XY mapping stages with submicron resolution.

PL200-loading-lab-spectrometer-systems-raman-PL200-photon-systems
PL200-lab-spectrometer-systems-raman-PL200-photon-systems

Key Features

  • Deep UV Excitation Wavelength

    248.6nm

  • Spectrograph

    200cm Cherny Turner with dual computer controlled 3600 and 1200 g/mm holographic gratings

  • Resolution

    <15 cm-1, 100um slit

  • Detector

    2 stage TE cooled, back illuminated UV CCD array

Downloads

Trace Explosives Detection

Photon Systems focuses on explosives detection using the combination of deep UV native fluorescence and Raman spectroscopy using deep UV sources that enable compact, low power consuming devices

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1512 Industrial Park St. Covina, CA 91722-3417

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626 967-6431

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