Hedgehog™ Mid-IR laser: precision tuning at rapid speeds

The Hedgehog Mid-IR Laser from DRS Daylight is a next-generation tunable laser head that is perfect for OEM or laboratory applications.

Developed using advanced External Cavity Quantum Cascade Laser technology, the Hedgehog laser features a compact design and rapid tuning capabilities exceeding 5000 cm-1/second. It delivers both continuous wave and pulsed outputs, boasts high power and TEM00 beam quality, and ensures exceptional spectral consistency.

Molecular spectroscopy applications benefit from rapid, high signal-to-noise ratio (SNR) data acquisition. Broad mid-infrared (mid-IR) tuning further enhances the ability to probe multiple molecules or examine an absorption feature with a high dynamic range.

The Hedgehog system delivers these advantages with its wide, swift tuning across the mid-IR spectrum, low-noise output, and high spectral and spatial beam quality. Its sealed, alignment-free design and the inclusion of a GUI and SDK as standard features make accessing this performance straightforward.

Choose from Hedgehog (which tunes up to 200 cm-1), Hedgehog-UT (which tunes up to 400 cm-1), and Hedgehog-LT (which tunes up to 30 cm-1), the three typical Hedgehog variants.


Features and benefits:

  • Tune up to 400 cm-1 at speeds up to 5000 cm-1/s
  • CW* or pulsed output (up to 3 MHz/30 % duty)*
  • Wavelength availability: 3-13 µm
  • Proprietary HFQD circuitry protects your chips
  • Superb TEM00 beam quality and low beam pointing allows fiber coupling
  • Superior wavelength repeatability for higher-accuracy spectroscopy
  • High output power for high SNR* of > 1 W (peak) and > 0.5 W (average)
  • SideKick controller, GUI, and SDK standard with all systems
  • Ultra-quiet CW: RIN as low as -140 dBc/Hz enables higher-SNR spectroscopy


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

Product specifications

Source: Daylight Solutions Inc

. .
Center Wavelength Availability < 4 μm > 13 μm
Modes of Operation  Pulsed or CW2
Tuning Modes Set λ, Step & Measure, Continuous Scans
Max. Tuning Speed (Step)  250 ms step-and-settle time to arbitrary λ
Max. Tuning Speed (Scan) Slew rates to > 5,000 cm-1/s
Wavelength Accuracy  ≤ 1 cm-1
Wavelength Repeatability  To ≤ 0.1 cm-1 [5]
Average Power Stability < 2% (1 hr)
Spatial Mode TEM00 (nominal)
Beam Divergence < 4 mrad (full angle, 1/e2 intensity width)
Beam Pointing Stability < 1 mrad (beam centroid change)
Spot Size   < 2.5 mm (1/e2 intensity radius)
Polarization Linear, vertical, > 100:1

Other Equipment by this Supplier

While we only use edited and approved content for Azthena answers, it may on occasions provide incorrect responses. Please confirm any data provided with the related suppliers or authors. We do not provide medical advice, if you search for medical information you must always consult a medical professional before acting on any information provided.

Your questions, but not your email details will be shared with OpenAI and retained for 30 days in accordance with their privacy principles.

Please do not ask questions that use sensitive or confidential information.

Read the full Terms & Conditions.