Photon multiplicity for different intensity of the PiLas laser with different resistor value.
- 100k triggers were used at each intensity
- photon counting was done for 5 ns window around main peak
- 3 mV and 1 mV threshold
3 mV threshold:
![](/~rdzhigad/data/prt/lab/other/mutl_resis.png)
![](/~rdzhigad/data/prt/lab/other/mutl_resis_log.png)
1 mV threshold:
![](/~rdzhigad/data/prt/lab/other/da_lab_2/mutl_log.png)
![](/~rdzhigad/data/prt/lab/other/da_lab_2/mutl.png)
Simplified plot:
![](/~rdzhigad/data/prt/lab/other/da_lab_2/mutl_simple.png)
Time precision (w/o walk correction); all channels combined:
![](/~rdzhigad/data/prt/lab/other/da_lab_2/resolution.png)
1 mV threshold with higher statistics:
![](/~rdzhigad/data/prt/lab/other/da_lab_3/mutl_simple.png)
Time precision (w/o walk correction); all channels combined:
![](/~rdzhigad/data/prt/lab/other/da_lab_3/resolution.png)