Nanosecond High Energy Laser Systems
FEATURES
▶ Front end options
– Diode pumped SLM or MM master oscillator featuring excellent stability, long lifetime and maintenance-free operation based on Nd:glass or Nd:YLF
– Temporally shaped seeder / regenerative amplifier configuration allowing application of smoothing technics
– Wave front correction system based on DFM
▶ Optional SBS compressor ensuring high contrast pulses and controllable pulse duration
▶ Flashlamp / LD pumped pre-amplifier
▶ Up to Ø60 mm aperture Nd:glass power amplifiers
▶ Laser protection by Faraday isolators preventing damage of laser rods by back-reflected light
▶ Optimized design for maximum pulse energy extraction
▶ Separately controlled PFN circuits for each flash lamp
▶ Diagnostics and monitoring of system status based on microprocessor controller
▶ Software guide for step-by-step performance check at designated control points
▶ Optional second and third harmonic generators
SPECIFICATIONS
Parameter Value
Center wavelength
1053 – 1060 nm
Pulse width
500 ps – 20 ns
Max pulse energy single channel
150 J
Beam spatial profile (near field)
“Top Hat” across 80% of beam cross-section (beam local intensity fluctuation max ±20% from the average intensity)
Pulse repetition rates
depending on system configuration from 1 shot in 1 min to 1 shot in 20 min for output energies >10 J
Shot to shot stability
below 2.0% rms @ fundamental in single channel configuration
Linewidth
<0.02 cm⁻¹ @ 2 ns for single longitudinal mode (SLM),<1 cm⁻¹ @ 4 ns for multimode (MM)
Pre-pulse contrast
better than 1 : 10⁵
Polarization contrast
>100 : 1
Output isolation from back-reflected light
>500 : 1 (Faraday isolator contrast)
Optical pulse jitter
typical <0.2 ns RMS, optional <10 ps RMS
Flashlamp lifetime
2×10⁵ shots typical (typically >3000 hours of non-stop operation at PRR 1 shot/minute)
Pump diode lifetime
>10 000 hours typical
PERFORMANCE
CUSTOM INSTALATIONS
商品属性 [波长] 1053 – 1060 nm [脉宽] 500 ps – 20 ns [脉冲能量] 150 J