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External Cavity Quantum Cascade Lasers (ECqcL™): Daylight Solutions has developed a suite of mid-infrared (mid-IR) tunable and fixed wavelength lasers to support today’s cutting-edge molecular detection and imaging applications. Our award-winning technology continues to drive growth in Daylight Solutions as commercial and research applications in the mid-IR expand. The molecules you care about have a color in the mid-IR. If it has a color, you can see it and if you can see it, we can detect it.

MIRcat™ Laser
Über Tuner™ Lasers (Broadly Tunable)
Unicorn™ Lasers (Fixed Wavelength)
Tunable Laser (CW-MHF)
Tunable Laser (CW/Pulsed)
Tunable Laser (Pulsed)
Aries™ Lasers (High Power)

Introducing MIRcat-QT™ - the Industry's First Ultra-Broadly Tunable, Rapid-Scan, CW-Pulsed Mid-IR Laser

Molecular spectroscopy applications benefit from rapid, high-SNR data acquisition. This demands fast-scan mid-IR lasers delivering high-quality light. Until now, rapid tuning has come with compromises. The new MIRcat-QT changes this. For the first time, fast tuning and high-fidelity output is available from an ultra-broadly tunable CW/pulsed mid-IR laser. Building on the field-proven MIRcat platform, and incorporating the next generation of Daylight’s field-proven Quantum Cascade Laser (QCL) technology, MIRcat-QT delivers a unique combination of high tuning speed, wide tuning, and high peak or average power. All without sacrificing spectral resolution, spectral repeatability, power stability, and beam quality. With this unmatched performance, and unmatched performance flexibility, the new MIRcat-QT brings new capabilities and agility to a wide range of molecular sensing applications including: process and quality control; remote sensing; imaging; and spectroscopy.


Hedgehog™ – tune up to 400 cm-1 at >5000 cm-1/s! Introducing the Industry’s First Compact, Rapid-Scan CW-Pulsed Mid-IR Laser.

Hedgehog is Daylight Solutions’ next-generation tunable laser head. A radically new design, built on Daylight’s proven QCL technology, the new Hedgehog is a unique combination of: small size; tuning speeds to > 5000 cm-1/s; high-quality CW or pulsed output; high power; and unmatched spectral repeatability. Three Hedgehog models are available, allowing users to select the optimum model for their application: Hedgehog (tunes up to 200cm-1); Hedgehog-UT (tunes up to 400 cm-1) and the new Hedgehog-LT (tunes 30 cm-1). Hedgehog’s performance enables rapid acquisition of molecular spectra with high accuracy, repeatability and SNR. Hedgehog is ideal for laboratory use or OEM applications, and is available now! Please download the Hedgehog datasheet and contact us to learn more.

CW-Mode Hop-Free Mid-IR Laser

Daylight Solutions is proud to introduce a new generation of mode hop-free (MHF) lasers. A complete redesign based on Finite Element Analysis (FEA) maximizes the lasers robustness with respect to vibrations and acoustic perturbations. A factor of 5 linewidth reduction (now <10 MHz) over our previous model and maximum stability are combined with new modulation capabilities to provide the ultimate tool for high-resolution spectroscopy and sensor development.

Our highest-performing tunable external cavity laser, the CW-MHF series provides continuous tuning over >30 cm-1 in the mid-IR. The combination of a narrow linewidth and excellent wavelength control allows for highly resolved spectral features in both survey and short, high-resolution scans. The two options for wavelength modulation over smaller ranges – either through a PZT or current modulation – have been improved, increasing and overlapping their response bandwidths.


Aries™ Lasers (High Power, Broadband, Fixed Wavelength)

Aries-100™ series is a family of fixed-wavelength, broadband mid-IR lasers providing output average power up to 2W. Supplied with Daylight’s next-generation ‘SideKick’ controller, Aries-100™ systems are: CDRH-compliant; air-cooled; offer true CW and high-duty cycle pulsed operation; and output can be amplitude modulated. Aries-100 is ideally suited for high-power applications such as optical fiber testing, stand-off detection, IR countermeasures, scene generation, and material processing.


Unicorn™ Lasers
(High Power, Narrowband, Fixed Wavelength)

The Unicorn-II™ series is a family of fixed-wavelength, narrowband mid-IR lasers providing output average power up to 1W. Unicorn’s high power, low frequency drift and factory-configurable choice of wavelength make this laser ideally suited a multitude of applications. These include: imaging, illumination, LIDAR and DIAL, stand-off detection; OPO seeding; and detector calibration.


Compact, High Power Lasers

Daylight’s best-in-class quantum cascade lasers are available in compact packages for OEM integration. These lasers can be operated in both continuous-wave and pulsed modes. Available in wavelengths throughout the mid-IR, Daylight’s OEM laser modules can be used for a variety of applications, including chemical detection, spectroscopy, infrared imaging, free-space communications, infrared scene generation, optical fiber testing and detector testing.
Please download the Compact Lasers datasheet and contact us to learn more.