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Table 7
Parameters of the experiment.
| Wavelength | 635 nm |
| Pupil shape | unobscured disk |
| Lyot stop size | 94% |
| Pixel size | λ/6.5D |
| Image size | 37λ/D × 37λ/D |
| Quadrant size | 2.6 λ/D |
| Inner diameter of the ring Γ | 5.5 λ/D |
| Outer diameter of the ring Γ | 9.3 λ/D |
| Threshold to select the | 60% |
| correlation peak | |
| Number of images averaged | 100 |
| in one iteration | |
| Closed loop rate | 2 Hz |
| Gain of the closed loop | 0.1 |
| Mean total photoelectrons in Icr | 7 × 106 e- |
| Detector readout noise | 18 e- |
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