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Daylight Solutions Unicorn II Fixed Wavelength Lasers

Home Products Lasers Mid-IR Lasers Daylight Solutions Unicorn II Fixed Wavelength Lasers

Daylight Solutions Unicorn II Fixed Wavelength Lasers

Daylight Solutions is pleased to present the next generation of fixed-wavelength lasers: The Unicorn II Series

Daylight Solutions

The reinvented Unicorn™ II fixed-wavelength laser contains a series of innovations for improved performance. A more robust and stable resonator structure means better linewidth and wavelength stability as environmental conditions vary. The new HFQD control electronics (High-Fidelity QCL Drive) allow for increased repetition rates and longer pulses while providing more protection for the gain chip. HFQD also includes an improved modulation circuit offering wider bandwidth of modulation frequencies from DC to 2MHz. More stability, more control, more robust – the new Unicorn™ II.


  • Fixed-wavelength
  • Expanded modulation functionality
  • Accurate wavelength set
  • Low wavelength drift
  • High-power
  • Expanded repetition rate, pulse width, and duty cycles
  • Pulsed and/or cw operation
  • No cryogenic cooling
Overall Performance
Operation modePulsed and CW1
Peak wavelengths (µm)23.5, 3.8, 4.0, 4.2, 4.4, 4.5, 4.6, 4.9, 5.3, 6.1, 6.2, 7.4, 7.8, 8.1, 8.8, 9.5, 10.4
Wavelength set-point accuracy±1 cm-1
Beam divergence< 5mrad
Beam pointing stability< 50µrad
PolarisationLinear, Vertical, 100:1
Beam spatial modeTEM00
Beam M2≤ 1.3

1. Some wavelengths available only in pulsed operation

2. Values listed are the peak of the gain curve for available QC gain chips. Essentially all wavelengths from 3.5 - 10.4µm are available.


UnicornTM II datasheet                                     Read more on Daylight Solutions website