DN40CF ZINC SELENIDE VIEWPORT, BBAR COATING, VIEW DIAMETER 23mm.

BBAR (for 8-12 μm, reflectance loss is <0.5% per surface

Specifications

• Vacuum Leak Rate UHV <5x10-10 mbar l/s
• Size or DN DN40CF (2 ¾” OD flange)
• Compliance ISO 3669:2017
• Vacuum Seal Cu Gasket
• Body Material Stainless Steel 304
• Temperature Range 150°C max 5°C per minute
• Transmission 600-20,000nm
• Inside Diameter 23mm
• Flatness λ/4 @632nm
• Coating BBAR
• Surface Finish 40-20 Scratch-dig
• Optical Material ZnSe