Monochromator by TOPAG Lasertechnik GmbH

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The MSA130 from TOPAG Lasertechnik GmbH is a Czerny-Turner Double Monochromator that operates at a wavelength from 190 to 2600 nm. It has gratings of size 25 x 25 x 8 mm with 300/600/1200 lines per mm. This monochromator is a two-in-one instrument that can operate in both addition and subtraction modes of dispersion. It provides both modes without any additional alignment & calibration and can be manually switched using a selector knob. In the dispersion subtraction mode, it serves as a tunable low-stray-light-filter with a selectable bandpass. This scanning monochromator’s entrance, intermediate & exit slits have manual control and smooth micrometrical adjustment of the opening width. 

The MSA130 gratings are located at the same axis and are driven by the same step motor which ensures complete synchronism of their rotation and high precision of wavelength setting. This monochromator can be controlled via a USB interface using a computer. It requires an AC supply of 85 - 264 V and is available in a module that measures 265 x 195 x 210 mm. This monochromator is ideal for raman, emission, and fluorescence spectroscopy.

Product Specifications View similar products

Product Details

  • Part Number
  • Manufacturer
    TOPAG Lasertechnik GmbH
  • Description
    Czerny-Turner Double Monochromator for Raman & Fluorescence Spectroscopy


  • Applications
    Raman spectroscopy, Emission and fluorescence spectroscopy, Transmission/Absorption/Reflectance Measurements

Connections & Interface

  • Interface

General Parameters

  • Monochromator Type
    Double Monochromator
  • Configuration
  • Wavelength Range
    190 to 2600 nm
  • Linear Dispersion
    5.8 to 11.6 nm/mm
  • Focal Length
    130 to 142 mm
  • Aperture(f-number)
  • Blaze Wavelength
    280 to 1500 nm
  • Grating Groove Density
    600 to 1200 G/mm
  • Grating Mount
    Interchangeable 2 pairs supplied with the instrument
  • Grating Size
    25 x 25 x 8 mm
  • Slit Height
    12 mm
  • Slit Resolution
    0.07 to 0.14 nm
  • Slit Width
    0 to 2.0 mm
  • Stray Light Rejection
  • Wavelength accuracy
    ± 0.15 to 0.25 nm
  • Wavelength Acquisition Speed
    19 to 38 nm/s
  • Wavelength Reproducibility
    ± 0.05 to 0.1 nm
  • Wavelength Step Size
    0.01 to 0.02 nm

Physical Properties

  • Dimension
    265 x 195 x 210 mm
  • Weight
    8 kg

Technical Documents

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