REPRESENTATIVE IMAGE

Attributes

Description QF25 UV Grade Fused Silica Viewport
Flange Size 1.57
View Diameter 0.63
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All dimensions are in inches unless otherwise specified.

QF25-ZLVP-Q-UV-0.63

ISO-QF25 UV Fused Silica Viewport

$248.00

Available on backorder

Part ID: 9110012
						

Features

  • Vacuum rating of 1×10-8 torr
  • Temperature maximum of 200°C
  • ISO-QF (KF, NW) flange
  • Body is manufactured from 304 stainless steel
  • Viewing window is manufactured from UV grade fused silica
  • Transition material is Kovar
  • Avoid thermal changes in excess of 10°C/minute
  • Do not expose to pressure above 1 atmosphere

 

Specifications

  • Window material: Corning HPFS 7980 Fused Silica or equivalent
  • TWD < 10λ @ 632nm (peak to valley)
  • Parallelism < 30 arc minutes
  • Surface finish: 40/20 scratch-dig
  • Thermal range: -100°C to 200°C
  • Homogeneity grade: F
  • Inclusion class: 2
  • Leak rate < 1 X 10-9 atm-cc/sec He

 

Available Options: Call for price and delivery

  • All Titanium Viewports
  • Weld Adapters
  • Re-entrant Design
  • 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

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