Monochromator by Zolix Instruments

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The Omni-λ200i from Zolix Instruments is a Czerny-Turner Monochromator that has a focal length of 200 mm. It has a wavelength accuracy of ± 0.2 nm and wavelength repeatability of ± 0.1 nm. This monochromator has an aperture ratio of f/3.5 and a dispersion of 3.6 nm/mm (at 435.8 nm). It has an integrated PMT and CCD that has a resolution of 0.15 nm (PMT) & 0.28 nm (CCD). This monochromator has a step of 0.01 nm and stray light of 1x10-5. It has a focal plane that measures 30 (W) x 14 (H) mm and an optical axis of 146 (H) mm.

The Omni-λ200i has a slit width of 0.01 - 3 mm and slit height of 2, 4, or 14 mm. It has a dual grating turret mount with a grating size of 50 mm x 50 mm. This monochromator is operated using Labview driver software and can be controlled via a USB 2.0 interface. It is available in a module that measures 300 mm x 216 mm x 213 mm and is ideal for fluorescence & Raman spectroscopy, light source characterization, photoluminescence, photochemistry, and imaging applications.

Product Specifications

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Product Details

  • Part Number
  • Manufacturer
    Zolix Instruments
  • Description
    200 mm Czerny-Turner Monochromator for Fluorescence & Raman Spectroscopy


  • Applications
    Tunable Monochromatic Light Source, Detector Calibration System, Solar Cell Quantum Efficiency Measurement System, Raman Spectrometer, Fluorescence System

Connections & Interface

  • Interface
    USB 2.0

General Parameters

  • Monochromator Type
    UV Monochromator, VIS Monochromator, NIR Monochromator
  • Wavelength Range
    435.8 nm
  • Linear Dispersion :
    3.6 nm/mm
  • Focal Length
    200 mm
  • Aperture Ratio
  • Grating Groove Density :
    1200 g/mm
  • Grating Mount
    Dual grating turret
  • Grating Size
    50 x 50 mm
  • Slit Height
    2 mm, 4 mm. 14 mm
  • Slit Resolution :
    0.15 nm (PMT), 0.28 nm (CCD)
  • Slit Width :
    0.01 to 3 mm
  • Stray Light
    1 x 10-5
  • Wavelength accuracy
    ±0.2 nm
  • Wavelength Reproducibility
    ±0.1 nm
  • Wavelength Step Size :
    0.01 nm

Physical Properties

  • Dimension
    300 x 216 x 213 mm
  • Height
    146 mm
  • Weight
    14 kg

Technical Documents

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