WM300

Automated monochromator-spectrograph

The WM300 monochromator is a versatile, high-aperture instrument offering excellent line quality and low stray light, with a 284 mm focal length and a 30×10 mm flat field. 

Key Features:

  • High aperture ratio (F=1:3.8)

  • Two output ports

  • Fully automated

  • The Wavelight.lab software

  • SDK, DLL

  • Monochromator WM300

    The WM300 is a high-aperture, general-purpose monochromator offering outstanding line quality and minimal stray light, making it suitable for a broad range of spectroscopic applications. With a focal length of 284 mm and a 30×10 mm flat field, it delivers precise spectral performance.

    Its fast optical system (F/3.8), low stray light, and excellent imaging quality ensure reliable results in demanding analytical tasks. The instrument features two output ports, allowing flexible configuration—such as two exit slits, an exit slit and a detector, or dual detectors for simultaneous use.

    The WM300 is fully automated. Wavelength scanning, grating and filter changes, slit width adjustments, and output port selection are all controlled via intuitive software. An integrated automatic shutter enables dark-current subtraction and protects detectors from overexposure.

    The Wavelight software suite offers full instrument control and detector integration. It supports panoramic spectral stitching by combining scans from multiple diffraction gratings and includes extensive tools for spectral processing and analysis.

    SDKs and DLLs are available for integration with custom software environments or LabVIEW control.

  • The WM300 monochromator-spectrograph supports a wide range of accessories designed for efficient light collection from samples at both finite distances and infinity. These components ensure optimal light delivery to the monochromator, whether using free-space coupling or optical fibers, and provide effective aperture matching.

    Available accessories include:

    • Order separating filter wheels

    • Aperture matching adapters

    • Condensers for fiber coupling

    • Condensers for direct monochromator input

    • Crossed entrance slit (optional alternative to standard slit)

    • Optical fibers

    • CCD detector adapters

    • CCD detectors

    • Cassegrain lenses

    • Emission, Fluorescence, and Raman Spectroscopy

    • Multi-Channel Spectroscopy

    • Absorption, Reflection, and Transmission Measurements

    • High-Resolution Analytical Applications from UV to IR

Wm300 TECHNICAL FEATURES:

    • Spectral range: Typical 190 – 3600 nm, extended up to 40um at your request

    • Optical scheme: Optimized Czerny-Turner with one optical input and two outputs

    • F/Number: 1: 3,8

    • Focal length, mm: 284

    • Flat field, mm: 30 x 10

Diffraction Gratings

  • Diffraction gratings: 50x50x10mm, one grating or a turret with 4 gratings from the list below*

Grooves/mm1) 2400 1800 1200 600 400 300
Reciprocal linear dispersion (nm/mm) 1.58 2.12 3.18 6.37 6.32 9.6 9.41 12.75 12.64
Blaze wavelength (nm) 225 270 400 750 1000 800 1700 1500 2000
Spectral range (nm) 190–450 190–540 265–800 500–1500 660–800 530–1600 1130–2600 1000–3000 1330–3600
Multi-channel array bandpass (average), nm 384) 514) 764) 1504) 805) 2304) 1205) 1605) 1605)
Spectral resolution (nm) <0.14) <0.154) <0.224) <0.454) <0.455) <0.74) <0.75) <0.945) <0.945)
Wavelength accuracy (nm) ± 0.15 ± 0.217 ± 0.32 ± 0.65 ± 1.00 ± 1.34
Wavelength repeatability (nm) ± 0.113 ± 0.167 ± 0.245 ± 0.50 ± 0.775 ± 1.04
Step of grating rotation (nm) 0.007 0.009 0.013 0.026 0.04 0.05
Scanning rate (nm/s) 12.5 16.7 25 50 75 100
  • 1) Diffraction grating with an alternate number of grooves per mm/blaze wavelength can be used upon your request.
  • 2) Reciprocal linear dispersion is indicated for blaze wavelength.
  • 3) Wavelength range with diffraction efficiency higher than 40%.
  • 4) For the detector with 24 µm pixel size and 24.5 mm of active area.
  • 5) For the detector with 25 µm pixel size and 12.8 mm of active area.

    • Entrance/exit slits: Automatic and manual adjustment

    • Slit width, mm: 0 - 2

    • Slit height, mm: 12

    • Parallelism, µm: ±1

    • Micrometer Reading Accuracy, µm: ±1

    • Step size, µm: 0,001953125

    • Precision, µm: ± 1

    • Integrated shutter: Program-controlled, serves for measuring dark signal measuring

    • Filter wheel: Automatic switching

    • Max number of filters: 6

    • Standard number of filters: 5

    • Filter size, mm: 20

    • Optical diameter, mm: 18

    • PC connection: High-Speed USB Computer interface

    • Dimensions: 410 Ñ… 252 Ñ… 213 mm

    • Weight: 23,5 kg

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