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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:

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