Spectroscopy methods and lasers; Microscopy; Materials characterization

Manufacturer and Model

Spectroscopy & imaging GmbH; TriVista CRS Confocal Raman Microscope (TR777)


Main features:

  • modular design with all versatile Raman technologies
  • automated operation from laser/optics selections, alignment/calibration, XYZ scanning to data mapping


  • deep UV and NIR wavelength range
  • up to 4 integrated multi-line lasers plus port for large external lasers
  • dual beam path for UV and VIS/NIR lasers


  • 500 mm or 750 mm focal length spectrograph
  • high spectral resolution, i.e., FWHM < 0.1 cm-1 @ 633nm
  • high frequency range up to 9000 cm-1 (@ 532nm), useful for photoluminescence for additional benefit
  • low frequency range down to +/- 10 cm-1 with ultra-narrow band notch filters

 Spectroscopy detectors:

  • wide range of spectroscopy detection selection: Peltier and liquid nitrogen cooled detectors
  • CCD detectors; InGaAs array detectors; EMCCs; PMTs


  • confocal microscopes with sub-micron spatial resolution
  • upright or inverted, or dual upright/inverted microscopes
  • wide choice of UV, VIS, and NIR objectives
  • built-in polarizers with automated selection

Applications and capabilities

Determination of chemical structure and the identification of compounds.

Identification of organic molecules, polymers, and inorganic compounds both in the bulk and in individual particles.

Qualitative analysis of organic and/or inorganic mixed materials.

Determination of inorganic oxides and their valence state.

Imaging and depth profiling to map the distribution of components of a material by utilizing confocal microscope equipment.