Plane reflectors
Standard plane mirrors
| Name | Inspection item | Inspection result | Inspection item | Inspection result |
| 1410mm standard plane mirror | Outer diameter | φ1409.4 | Pitch adjustment | Range: ±5°;precision: 0.01° |
| Thickness | 154 | Height adjustment | ±5cm | |
| Clear aperture | φ1400 | Surface flatness precision | 0.0199λ，0.0197λ，0.0200λ，0.0189λ，0.0199λ，0.0198λ，0.0194λ，0.0197λ | |
| Roughness | 1nm | |||
| Azimuth adjustment | Range: ±10°;precision:0.01° | Coating requirement | 93.7195% |
Surface flatness precision value:
