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Material:Fused,BK7

Diameter tolerance:+0.0/-0.1mm

Thickness tolerance: ±0.1mm

Flatness:1λ/4

Surface quality:60-40

Parallelism: within 3 arcmin

鍍膜指標(biāo)：
λ。=532±10nm 
Tp/(Tp+Rp):Rp/(Tp+Rp)=(55±5):(35±5)
Ts/(Ts+Rs):Rs/(Ts+Rs)=(55±15):(35±15)