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Illuminator for high pulse repetition rate

Pulsed laser diode illuminator

Illuminator mounted onto a thermoelectric assembly

Up to 10 kHz – 20 W average power

That illuminator can generate pulses from 100 to 200 ns with energies from 1 to 2.5 mJ depending on the pulse width. It can support high pulse repetition rates (up to 10 kHz) with a maximum average power of 20 W.
That module integrates a laser diode and a driver board into a closed protecting housing. Components of that module have been selected to provide the highest possible efficiency, leading to a low power consumption. Additional equipment required to operate that illuminator, such as external 12 VDC power supplies, function generator and thermoelectric assembly for active cooling, can be provided as an option.

  • Energy and pulse width from 1mJ/100ns to 2.5mJ/200ns
  • Up to 10 kHz pulse repetition rate
  • Up to 20 W average power
  • Single wavelength emission among 808, 915, 940 or 980 nm (other wavelengths in option)
  • Fast axis collimation of diode bars included
  • High reliability (> 100 x 109 shots)
  • Robust design integrated into a closed protective housing
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Part number QD-Qxy10-ILO

Pulse width (ns)






Pulse energy (mJ)



2 (1)

2.25 (1)

2.5 (1)

Maximum average power (W)




Maximal frequency (kHz)



Standard wavelength (nm)

808, 915, 940 or 980 (2)

(1) Limited to 1.7 mJ if low-cost diode bars of 5 mm are required.

(2) Optional wavelengths upon request with less energy are 635 nm, 760 nm or 1.55 µm.

That illuminator integrates a laser diode and a driver board whose combination allows generation of nanosecond pulses. Laser diode design and manufacturing benefit from the sound know-how of Quantel’s Diode Department in hard solder technology already developed for QCW laser diodes to ensure efficiency and reliability. With its proprietary technology for nanosecond pulsed laser diode illuminators, Quantel offers unique laser sources that are compact, low-cost and highly efficient. While high output average power (typically higher than 2 W) will require a suitable cooling system, low output average powers make these laser diode sources ideal for integration into portable and even hand held devices. Typical applications are photoacoustics, NIR spectroscopy, ultrasound generation, 3D flash LIDAR or time of flight measurements.

  • Photoacoustics
  • NIR spectroscopy
  • Ultrasound generation
  • 3D flash LIDAR
  • Time of flight
  • etc.
Cooling system
  • TEC assembly with fan & temperature controller
  • Water cooling
External power supplies & function generator