Attributes

Description CF450 DUV Grade (Laser) Fused Silica Viewport w/ Broadband AR Coating for 425-760nm
Flange Size 4.5
View Diameter 2.69
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CF450-ZLVP-Q-DUV-BBAR-425-760-2.69

CF450 DUV Fused Silica Viewport, with Broadband AR Coating

$1,540.00

Part ID: 9118055

Description

  • DUV grade (laser) fused silica viewport
  • Broadband AR coating
  • Laser grade fused silica windows
  • Broadband anti-reflective coating for optimum performance
  • Bakeable to 200°C
  • Non-magnetic materials
  • Zero-length profile
  • UHV compatible

 

Specifications

  • Flange material: 304 stainless steel
  • Window material: Corning HPFS 7980 fused silica or equivalent
  • TWD < λ/4 @ 632nm (peak to valley)
  • Parallelism: < 10 arc seconds
  • Surface finish: 20/10 scratch-dig
  • Thermal range: -100°C to 200°C
  • Bake-out ramp rate: 20°C per minute
  • Homogeneity grade: A
  • Inclusion class: 0
  • BBAR coated both sides:
    • 425-760nm, R avg. < 0.5% per surface
    • 550-1100nm, R avg. < 0.5% per surface
  • Laser damage threshold: 1 J/cm2 for 10 ns pulse
  • Leak rate < 1 X 10-9 atm-cc/sec He

 

Available Options: Call for price and delivery

  • All Titanium Viewports
  • Weld Adapters
  • Re-entrant Designs
  • ISO Flanges
  • AR Coating for 1550nmAR Coating for 808nm
  • Dual AR Coatings
  • EUV Grade (Excimer) Viewports
  • IR Grade (Low OH) Viewports
  • Geochronological Viewports
  • Custom viewports and coatings

Reflectance Curve (Per Surface) Wavelength: 425-760nm

Reflectance Curve (Per Surface) Wavelength: 550-1100nm

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