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DRS Daylight CW-MHF Mid-IR Laser

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DRS Daylight CW-MHF Mid-IR Laser

DRS Daylight CW-MHF Mid-IR Laser

Tune >30cm-1 without mode hopes

Daylight Solutions


The CW–MHF Mid-IR Laser is the ultimate tool for high-resolution, mid-IR spectroscopy. If you need high spectral resolution, phase-continuous tuning to avoid jumping over spectral lines, or both, the DRS Daylight CW-Mode-Hop-Free laser will meet your needs. Narrow-linewidth operation and MHF tuning is a high bar to reach in any laser system. Unique in the industry, the CW–MHF system provides open-loop linewidths of ≤ 5MHz (over 100ms) and MHF tuning to > 30cm-1, and often to > 100cm-1*.



  • Wavelength availability: 3-12µm
  • MHF tuning range: ≥ 30cm-1 (≥ 60-100cm-1 typical)
  • CW power > 70mW typical*
  • Linewidth (FWHM < 5MHz (10ms) and < 10MHz (1s)
  • Wavelength accuracy of ± 0.5cm-1 (± 15GHz), unidirectional
  • Ultra-quiet, with RIN as low as -140dBc/Hz, enables higher-SNR spectroscopy
  • Superb TEM00 beam quality, low beam pointing
  • SideKick™ controller, GUI, and SDK included with all systems
  • Proprietary HFQD™ circuitry to protect your chips

Drawing on years of precision engineering and manufacturing experience, the CW–MHF laser achieves this performance with a highly stable laser cavity that, guided by finite element analysis, was designed to reduce susceptibility to acoustic perturbation. The CW–MHF laser also includes two ways to modulate wavelength: via a PZT or current modulation. This exclusive combination of wide MHF tuning, narrow-linewidth operation, and modulation capability enables high-resolution spectroscopy and/or locking to a wavelength reference.


For further information please contact us or download the datasheet.


   CW-MHF datasheet                                                                 Read more on DS Daylight website