Posted in | Lasers

MIRcat Mid-IR Laser: Superior High-Speed, Broad-Spectrum Capabilities

The field-proven multi-quantum cascade laser system of the first generation of MIRcat laser is enhanced by the MIRcat with longer wavelength possibilities, more spectral repeatability, better thermal management, and high-speed tuning.

With its versatile, modular architecture enabling factory configuration of up to four pulsed or continuous wave/pulsed modules and the flexibility to add or upgrade modules later, the MIRcat is a one-box, fully automated system. It provides wavelength coverage up to >13 µm and a tuning range reaching 1000 cm-1 (>6 µm).

It achieves unparalleled, industry-leading performance in crucial aspects such as peak tuning speeds surpassing 30,000 cm⁻¹/s, output power capabilities up to 1 W, and TEM00 beam quality for facilitating high-efficiency fiber coupling.

With a novel, higher-precision tuning mechanism and lower-noise drive electronics, CW RIN can be as low as -140 dBc/Hz, and wavelength repeatability can be as precise as < 0.1 cm⁻¹.


Features and Benefits

  • Wavelength availability: 3-13 µm
  • CW or pulsed output (up to 3 MHz/30% duty)
  • Superb TEM00 beam quality and low beam pointing allows fiber coupling
  • GUI and SDK command sets included
  • Tune up to 1000 cm-1 speeds up to 5000 cm-1/s
  • Ultra-quiet CW: RIN as low as -140 dBc/Hz
  • High output power for high SNR*: to >1 W (peak) and >0.5 W (average)
  • Proprietary HFQD™ circuitry protects the chips 


  • Standoff detection
  • Atmospheric research
  • Process control
  • Nanoscale imaging and spectroscopy
  • Combustion diagnostics
  • TIC, VOC, and GHG chemical and biological agent detection
  • Photoacoustic spectroscopy
  • Biomedical diagnostics
  • Imaging 

Product Specifications

Source: DRS Daylight Solutions Inc.

. .
Wavelength Availability Module options covering from < 4 µm to > 13 µm
Max. Tuning Speed (Step)  250 ms step-and-settle time to arbitrary λ
Modes of Operation Pulsed or CW
Max. Tuning Speed (Scan) Peak velocity to > 30,000 cm-1/s
Available Configurations  Select 1, 2, 3 or 4 laser modules
Wavelength Accuracy ≤ 1 cm-1
Example Configurations  MIRcat-2400-PX-A (Pulsed, 6.5—12.4 µm)
MIRcat-2400-PX-B (Pulsed, 5.5—11 µm)
MIRcat-2400-PCX-B (CW/Pulsed, 6—11 µm)
Average Power Stability < 3% (1 hr)
Tuning Modes Set λ, Step & Measure, Continuous Scans
Spatial Mode TEM00 (nominal)
Beam Divergence < 4 mrad at 4 µm (full angle, 1/eintensity width)
Beam Pointing Stability  < 2 mrad (beam centroid change)
Spot Size < 2.5 mm (1/e2 intensity radius)
Polarization Linear, vertical, > 100:1

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