Horiba Labram Aramis Raman Spectrometer

FOM Name:  Raman Labram Aramis
Model:  Horiba Labram Aramis
Contact: Don Savage (dsavage@wisc.edu, 608-263-0831)
Center:  NIAC
Location:  MSE Room 177

The Aramis Horiba Jobin Yvon Confocal Raman Microscope provides measurements of spectra and 2-d mapping of true confocal Raman and photoluminescence in the range from near- IR to UV. The instrument contains 4 excitation sources and has fast mapping mode.

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Configuration

  • Provide measurements of spectra and 2-d mapping of true confocal Raman and photoluminescence in the range from near- IR to UV
  • Spatial resolution: Diffraction limited; <300 nm @ 532 nm laser for xy- directions and <600 nm for z direction for appropriate samples
  • Spectral resolution: ~1.6 cm-1 for 514nm -estimation done for 600 grating
  • Automated Notch Filter Selection – the motorized notch filter selector enables 4 laser wavelengths to be changed with speed
  • 460 mm spectrograph, transmittance >30%
  • Automated QUAD Grating Turret : Four gratings: 150, 600, 1800, 2400 for different spectral range and spectral resolution
  • Fast Raman images (blast mode): fast CCD detector + fast-response piezo stage: up to 15 spectra per second, which allows us reduce experiment time in case of strong signal
  • First detector: Andor DU420A CCD, -80 oC, 1024×256 pixel format, open electrode, QE>30% in the range 250-800 nm, optimization for visual and UV range
  • Second detector: InGaAs for IR range up to 1500nm
  • XYZ Piezo-stage: Nano XYZ-200 piezo- stage, 200x200x200 ?m in all directions; position accuracy 1 nm in all directions
  • Heating/cooling stage: LINK-600, computer controlled heating and cooling stage, Temperature from -196 oC to 600 oC
  • Automatic switching between lasers and filters

Other options include:

  •  fluorescent imaging for rapid analysis using high magnification video camera coupled with fluorescence filter
  •  bulk and liquid samples option (so called macro chamber)
  •  Five microscope objectives: 10 X, 50 X and 100 X for visual rangeand 20 X and 50 X for UV range
  •  ?/2 and ?/4 plates and polarizers
  •  Six neutral filter