ISO-QF (KF) UV Grade Sapphire Viewport


  • UV grade sapphire viewport
  • ISO-QF (KF, NW) flange
  • Single crystal UV grade sapphire window
  • Excellent transmission from 250nm to 5 microns


  • Window material: UV grade sapphire
  • TWD < 8λ @ 632nm (peak to valley)
  • Parallelism < 3 arc minutes
  • Surface finish: 50/20 scratch-dig
  • Thermal range: -100°C to 150°C
  • Leak rate < 1 X 10-9 atm-cc/sec He

*Dimensions are in inches unless otherwise specified

Part IDReference NumberDescription Flange Size View Diameter 3D CADDrawingUnit PriceIn StockQty, Add To Cart
Part ID9110059Reference NumberQF25-ZLVP-S-UV-0.60Description QF25 UV Grade Sapphire ViewportFlange Size 1.57View Diameter 0.63D CADLoginDrawingLoginUnit Price$285.00Contact
Part ID9110060Reference NumberQF40-ZLVP-S-UV-0.94Description QF40 UV Grade Sapphire ViewportFlange Size 2.16View Diameter 0.943D CADLoginDrawingLoginUnit Price$305.00Contact
Part ID9110061Reference NumberQF50-ZLVP-S-UV-0.94Description QF50 UV Grade Sapphire ViewportFlange Size 2.95View Diameter 0.943D CADLoginDrawingLoginUnit Price$320.00Contact