Attributes

Description CF275 Calcium Fluoride (CaF2) Viewport
Flange Size 2.75
View Diameter 0.9
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CF275-ZLVP-CAF2-0.90

CF275 CaF2 Viewport

$730.00

Part ID: 9118063
 

Description

  • Calcium fluoride (CaF2) viewport
  • UHV rated vacuum optics
  • 0.90″ view diameter
  • 2.75″ ConFlat flange
  • Vacuum-optics with calcium fluoride window
  • Bakeable to 200°C
  • Stainless steel housing and flange
  • UHV compatible

 

Specifications

  • Flange material: 304 stainless steel
  • Window material: Single crystal calcium fluoride
  • TWD < λ/4 @ 632nm (peak to valley)
  • Parallelism: < 3 arc minutes
  • Surface finish: 20/10 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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