MWM Low-cost Wavemeter

Model 5105 Dual-Phase Analogue Lock-in amplifier

A compact and economical grating-based laser wavelength measurement device, with integrated display and ethernet/USB connectivity.

A compact laser wavelength measurement device, with on-unit display, and ethernet/USB connectivity standard. Our device clearly reveals multimode laser operation, making it particularly suitable for use with external cavity diode lasers and atom cooling and trapping experiments.  


  • Accuracy ±0.001nm
  • Spectral resolution 0.02nm
  • Wavelength readout resolution 100MHz (0.1pm)
  • Any wavelength from 350nm to 1100nm available 
  • Picowatt input sensitivity
  • Instantly identifies multimode input
  • Rapid readout
  • CW or pulsed laser input
  • PID feedback laser wavelength stabilisation
  • Ethernet and USB included as standard
  • Compact, 165 x 85 x 70 mm
  • Self-contained, built-in display, can run from battery



This product could be used for the following applications:

  • Laser frequency diagnosis and testing
  • Identifying laser multimode behaviour
  • Determining absorption lines
  • Gas spectrometry
  • Raman fluorescence


This product is manufactured by MOGLabs.

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