15 Technical Data
Measurement Parameters Standard absorber
1)
Advanced absorber
1)
Max. beam dimensions on the absorber 30mm
Wavelength range 900 – 1090nm
Power range 25 – 6000W
2)
25 – 12000W
2)
Irradiation time 0.1 – 2.0s
2)
(depending on laser power)
Total duration until measurement value
output
<15s
Nominal measurement frequency 300J: 1cycle/min
3000J: 1cycle/15min
Measuring accuracy at angles of incidence
up to 5°
±3%
Reproducibility ±1%
Limit Values Standard absorber
1)
Advanced absorber
1)
Max. absorber temperature 120°C
Energy per measurement 50 – 3000J
Recommended energy per measurement 300 – 500J
Max. power density (peak)
on the absorber (approx.
25mm underneath the
protective window) at
beam diameters
>10mm 1.5kW/cm² 4kW/cm²
10 – 3mm 2.5kW/cm² 5kW/cm²
3 – 1.5mm 5 kW/cm² 10kW/cm²
< 1.5mm 6 kW/cm² 12kW/cm²
Max. laser rise time 100µs
Max. angle of incidence perpendicular to
inlet aperture
±5
°
Max. centered tolerance ±2.0mm
1)
Please read the information on the identification plate to determine if your device is equipped with a
standard or advanced absorber.