Table of Contents
Did a tune up on the apparatus 3/28/22.
Tweaked crystal and detector alignments to optimize the rates.
Setup 50/50 BS in place, no irises in place, paths identical, Piezo at 35V. 10s count, rates given in Hz. Room lights on table uncovered.
Laser On
Singles
APD 1 = 55026.4
APD 2 = 46881.3
APD 3 = 34893.3
APD 4 = 60498.7
Coincidences
APD 1 = 54947.7
APD 1&2 = 1138.19
APD 1&3 = 983.347
Same setup at above but without 50/50 BS.
Singles
APD 1 = 95749.5
APD 2 = 44496.7
APD 3 = 37032.1
APD 4 = 5247.1
Coincidence
APD 1 = 95664.6
APD 1&2 = 2080.66
APD 1&3 = 1663.74
Laser Off
Same setup as above.
Singles
APD 1 = 5062.4
APD 2 = 5066.08
APD 3 = 5181.41
APD 4 = 5163.4
Coincidence
APD 1 = 5035.41
APD 1&2 = 3.89822
APD 1&3 = 3.29915