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Table 2
Numerical simulation parameters.
| Turbulence | Fried parameter r0 Outer scale L0 Cn2 profile Wind-speed | 13 cm @500 nm 25 m 1 layer 10ms−1 |
|---|---|---|
| Control | Frequency Integrator Int. matrix | 1 kHz = 0.5 3000 KL modes |
| NGS | Wavelengths Photons/subap. | K band − 2179 nm 0.1−1000 |
| Telescope | Diameter Pupil Spiders diameter Resolution | 39 m ELT-M1 pupil mask 51 cm 576 pix of 0.07 m |
| DM | Actuator Geometry Inf. functions Coupling | 5352 Hexagonal From ELT-M4 FEM 0% |
| PWFS & Bi–O edge | Sub-aperture size Modulation RON Photon noise Signal processing | 41.8 cm 2 λ/D None Yes Slopes-maps |
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