Photon multiplicity for different intensity of the PiLas laser
- 10k triggers were used at each intensity
- photon counting was done for 20 ns window around main peak.
![](/~rdzhigad/data/prt/lab/other/lab_nph_s.png)
![](/~rdzhigad/data/prt/lab/other/lab_nph_s_notlog.png)
Multiplicity per pixel per event for 10 ns time window. Mcp #6, left side covered/masked, right - open:
![](/~rdzhigad/data/prt/lab/other/lab_nph_3.png)
Multiplicity per pixel per event for 100 ns time window. Mcp #6, left side covered/masked, right - open:
![](/~rdzhigad/data/prt/lab/other/lab_nph_100ns.png)
Normalized multiplicity per MCP per event for 10 ns time window. Mcp #6:
![](/~rdzhigad/data/prt/lab/other/lab_nph_10ns_mcp7_norm.png)
Normalized multiplicity per MCP per event for 10 ns time window. Mcp #5:
![](/~rdzhigad/data/prt/lab/other/lab_nph_10ns_mcp4_norm.png)
Example of the hit patter for 16 % pilas intencity:
![](/~rdzhigad/data/prt/lab/other/prt_cdigi_num.png)