Attributes

Description CF275 Zinc Selenide (ZnSe) Viewport w/ Broadband AR Coating @ 8-12 microns
Flange Size 2.75
View Diameter 0.9
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CF275-ZLVP-ZNSE-BBAR-0.90

CF275 ZnSe Viewport with Broadband AR Coating

$950.00

Part ID: 9118061
 

Description

  • Zinc selenide (ZnSe) viewport
  • UHV rated vacuum optics
  • 0.90″ view diameter
  • 2.75″ ConFlat flange
  • Vacuum-optics w/ zinc selenide window
  • Bakeable to 200°C
  • Stainless steel housing and flange
  • UHV compatible

 

Specifications

  • Flange material: 304 stainless steel
  • Window material: Zinc selenide
  • TWD < 1λ @ 632nm (peak to valley)
  • Parallelism: < 3 arc minutes
  • Surface finish: 40/20 scratch-dig
  • Thermal range: -100°C to 200°C
  • Bake-out ramp rate: 20°C per minute
  • Leak rate < 1 X 10-9 atm-cc/sec He

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