Irregular plane window Materials: optical grade gem EUW optical glass 0628, UV fused quartz, CaF2, Ge, Si, ZnSe Outer circle: φ 1 MM-200 mm Parallelism deviation: 5 seconds - 3 minutes Surface accuracy: λ 47; 10-2 λ Finish: 10 & 47; 5-60 & 47; 40 Effective caliber: 90% Coating: all kinds of optical coating can be carried out according to customers' requirements
