Table 2 Optical parameters of the primary mirror, secondary mirror, WFC, and focal plane
Surface | Radius (mm) | Thickness (mm) | Material | Mech Semi-Dia (mm) | Conic |
|---|---|---|---|---|---|
M1 | − 16,256.000 | − 5500 | MIRROR (Ohara E6 Borosilicate) | 3251.2 | − 1.219518 |
M2 | − 8302.487 | 3350 | MIRROR (Zerodur glass) | 1225.0 | − 7.585198 |
L1-F | 5224.476 | 125 | SILICA | 900.0 | - |
L1-B | 15,259.604 | 1200 | 900.0 | - | |
L2-F | 4332.628 | 80 | SILICA | 750.0 | - |
L2-B | 1748.227 | 350 | 750.0 | - | |
L3-F | − 2535.230 | 70 | SILICA | 745.0 | - |
L3-B | 8465.709 | 40 | 745.0 | - | |
L4-F | 3860.132 | 180 | SILICA | 750.0 | - |
L4-B | − 4903.155 | 1120 | 750.0 | - | |
L5-F | 1510.265 | 140 | SILICA | 725.0 | - |
L5-B | 2514.536 | 700 | 725.0 | - | |
FP | − 9216.780 | - | IMAGE | 615.3 | - |