Open Access
Table 1
Simulation parameters of the MCAO system.
| System parameter | Value | Description |
|---|---|---|
| Telescope diameter | 1 m | Central obscuration ratio 1/7, 1 arcmin square FOV |
| Number of DMs | 2 or 3 | 10 * 10 15 * 15 (10 * 10 12 * 12 15 * 15) |
| Number of subapertures | 10 * 10 | Pixels per subaperture 8 * 8 |
| Number of GSs | 9 natural GSs | 1+8 GS ring layout, detected FOV is 0.8 arcmin |
| Wavelength | 705.7 nm (500 nm) | Science wavelength (GS wavelength) |
| Simulation iterations | 2000 | Simulation iteration step 0.005 s, total simulation time 10 s |
| Reconstruction method | Pseudo inverse | Condition number 0.05 |
| AO control method | Proportional controller | Loop gain 0.5 |
| Simulation result evaluation | 121 scientific targets | Square distribution (11*11) |
| Fried parameter | 10 cm | |
| Outer scale | 30 m |
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