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Here is a data library with PMT signals with different attenuators. The dynamic rage is from 1 pC to 2000 pC.
The data are collected using R5900 PMT with active dividers and 676 V. Patrick's LED 4 ns width and David's setup
Download data from https://atlaswww.hep.anl.gov/asc/phase2/data/, and then gunzip it. To make a plot for 1 trace, use
wget --no-check-certificate https://atlaswww.hep.anl.gov/asc/phase2/data/pmt_signals_phase2.tgz -O - | tar -xz; cd pmt_signals_phase2/ python show_trace.py data/D1_traces_full.txt.gz 1
We used 1 neutral density filter 50% (NDF50), and 1 neutral density filter x16 (NDF16). Data files with traces are in “data/*”. the file names has a letter “D” that indicates attenuation strength for the light.
All figures for 1000 traces are in “figures”. We use a numeric noise suppression as shown in this image.