Open Access
Table C.1.
AO numerical simulation parameters for simulation setups PWFS8M and SH8M.
| Numerical simulation configurations | ||
|---|---|---|
| PWFS8M | SH8M | |
| D = 8 m diameter | ||
| Telescope | Circular pupil | |
| (no obstruction, no spider) | ||
| Tip-tilt mirror | ||
| DMs | Cartesian grid DM defined per: | |
| Pitch of 50 cm, coupling of 0.24 | ||
| 221 controlled actuators | ||
| WFS | ||
| Wavelength | 658 nm | 500 nm |
| Throughput | 0.28 | 0.50 |
| Subapertures | 24 × 24 | 16 × 16 (a) |
| Measurements | 1936 pixels total | 368 slopes total |
| Modulation | 4  radius |
– |
| Centroiding | – | Center of gravity |
| – | 300 mas px−1 | |
| Readout noise | 0.3 e− | 3.0 e−(b) |
| RTC controller | ||
| Modes controlled | 220 | 200 (a) |
| Frequency | fS = 500 Hz | |
| Latency | τ = [0, T, 2T] | |
| Real-time implementation | ||
| CLOSE | p = 0.3; q± = 10−3; δkcrit = [1, 3, 5] | |
| r = 0 [ − 0.5, 0.5] | ||
Notes. Unspecified parameters are identical to the MICADO setup detailed in Table 2.
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