1.Substrate:BK7 Glassï¼Fused silicon,
2.Process:IAD Hard Coatingï¼ 3.Transmittance: custom design, 4.Blocking range:200-1200nm@OD4 5. wavelength not shift.
6.Quantity of Layers: better than 5 years 7.Dimension:dia25mm or customer size
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