Initial data and ideas for new 3 week version of single photon studies.
Radius of curvature of guide = 84cm.
APD PULSES : Positive polarity, 4.3V, 16.5ns FWHM.
TAC set to 0.05μs range.
LASER Current = 70.7mA LASER Temp = 10.31°C
Study of the DC dependence on pump beam polarization.
| Angle | Coincidences | Green APD | Blue APD |
|---|---|---|---|
| 0 | 136 | 8178 | 8000 |
| 10 | 1031 | 28736 | 16666 |
| 20 | 2686 | 66757 | 34285 |
| 30 | 3987 | 95635 | 46844 |
| 40 | 4472 | 106916 | 53472 |
| 45 | 4202 | 102661 | 52802 |
| 50 | 3903 | 93144 | 48764 |
| 60 | 2539 | 62332 | 33887 |
| 70 | 1055 | 29170 | 17967 |
| 80 | 94 | 7157 | 7185 |
| 90 | 136 | 8403 | 7653 |