UL-AQNL-DW-1200 active Q-switched subnanosecond laser

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UL-AQNL-DW-1200 active Q-switched subnanosecond laser
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UL-AQNL-DW-1200 active Q-switched sub-nanosecond laser is a dual-wavelength sub-nanosecond laser with a high repetition rate, narrow linewidth, and peak power.

The laser can simultaneously output 1064 nm and 532 nm wavelength lasers. It has outstanding advantages in thermal depolarisation, beam quality control, and damage resistance based on fiber-coupled semiconductor end-pumping and semiconductor array side-pumping modules to achieve high-efficiency solid-state amplification. The laser can work at 0-40 °C and be adapted to dynamic platforms such as a vehicle, airborne, shipboard or underwater. Modular design and universal components are adopted to ensure the reliability and easy maintenance of the underlying components of the laser. Widely used in point cloud imaging lidar, laser ranging, atmospheric detection, etc.

Features Applications
  • LD pump, long life
  • ns level narrow pulse width
  • Good beam quality and pointing stability
  • Complicated working conditions
  • High protection level, anti-vibration design
  • Laser ranging
  • Long-distance dynamic target capture and imaging
  • Lidar point cloud imaging
  • Multi-channel atmospheric sounding

UL-AQNL-DW-1200 parameters

ModelUL-AQNL-DW-1200
Optical ParametersWavelength1064nm, 532nm coaxial output
Pulse energy＞1.2mJ@1064nm；＞0.6mJ@532nm;
Fundamental frequency light width＜0.12nm
Pulse width≤1.5ns@10kHz
Repetition frequency10kHz
Beam quality M²＜2
Divergence angle5~6mrad
Laser beam pointing jitter＜0.05mrad (when the laser output is high-grade)
Degree of polarization＞100:1
Laser energy stability (RMS@2h)< 2.5%@room temperature@532nm
Function parameterCommunication InterfaceRS232
Control methodHost computer and communication command control
trigger methodInternal/external trigger, external trigger 3~5V@50ΩTTL level, external trigger input pulse width range 200ns~10μs
Q-switched synchronous trigger pulse signal outputPositive pulse, 3~5V@50ΩTTL level, rising edge time<25ns, pulse width range 200ns~10μs, synchronous trigger signal and output laser jitter
The output energy can be adjusted in different stagesThere are two gears, which can be set online through software. The high gear is for full power operation, and the low gear is used for optical path debugging. The output energy of the low gear is about 1% of the output energy of the high gear. The laser beam deviation angle of the high and low gears is <0.05mrad
Cooling methodWater cooling
Power supply28±5VDC
Laser lifetime (H)> 1 billion times
Laser layoutLaser head + power supply + water cooler
Environmental requirementsOperating temperature0～40℃
Storage temperature-10～50℃, store at low temperature and drain clean water
Relative humidity0～80%
Vibration requirementsRandom vibration of the whole system (with damping pad), road spectrum (GB/T4857.23)

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