An outstanding ability of the series PEM measuring heads is there great signal-noise ratio, thanks to their high sensitivity with low microphonic.
They have a high broadband absorption layer with a great damage threshold.
PEM 21 Energy Sensor
PYROELECTRIC DETECTORS WITH BROADBAND ABSORPTION COATING
They have a high broadband absorption layer with a great damage threshold.
Data
Aperture: 21 mm
Energy range: 500 nJ .. 200 mJ
Max. frequency: 100 Hz
Max. energy density: 80 mJ/cm² (10 ns-Pulse) 8 MW/cm²
Energy range (oscilloscope): 5 µJ - 200 mJ
Max. frequency (oscilloscope): 80 Hz
Dimensions (Diameter x Length): 40 mm x 22 mm