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Illuminator for ultra-short pulses

Pulsed laser diode illuminator

Illuminators for ultra-short pulses

From 2 to 10 µJ – 3 ns, up to 500 kHz

That illuminator can generate pulses as short as 3 ns with energies from 2 to 10 µJ. It can support pulse repetition rates in the range 100-500 kHz, depending on output energy per pulse, with a maximum average power of 1 W.

That module integrates a laser diode directly mounted onto a driver board according to an on-chip laser diode design, which makes this ultra-compact assembly ideal for integration into confined volumes, and bears a high potential for low cost production of this laser source. Various parameters regarding laser emission and electrical interface can be chosen by the customer. Components of that module have been selected to provide the highest possible efficiency, leading to a low power consumption, and the brightest possible emission. Additional equipment required to operate that illuminator, such as external power supplies and function generator, can be provided as an option.

  • Energy and pulse width from 2µJ/3ns to 10µJ/3ns
  • Maximal pulse repetition rate between 100 and 500 kHz
  • Up to 1 W average power
  • Single wavelength emission among 808, 905, 915, 940 or 980 nm (other wavelengths in option)
  • Fast-axis collimation upon request for one-bar diode design
  • High reliability (> 100 x 109 shots)
  • Robust design, shock and vibration resistant
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Part numberQD-Qxy03-IL

Pulse width (ns)

< 3

Pulse energy (µJ)

2 5 10

Maximum average power (W)


Maximal frequency (kHz)

500 200 100

Standard wavelength (nm)

808,905,915,940 or 980(1)

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 confined volumes. Typical applications are 3D flash LIDAR, scanning LIDAR or time of flight measurements.

  • 3D flash LIDAR
  • Time of flight
  • etc.