Optical Window, Germanium, 25.4 mm Diameter, 2.0 mm Thick, Uncoated

Technical Specs

  • Diameter
    25.4 mm
  • Material
    Optical Grade Germanium
  • Antireflection Coating
    Uncoated
  • Surface Flatness
    λ/20 @ 10.6 µm
  • Surface Quality
    40-20 scratch-dig
  • Thickness
    2.0 mm  
  • Thickness Tolerance
    ±0.25 mm
  • Parallelism
    < 3 arc minute
  • Cleaning
  • Clear Aperture
    Central 85% of diameter
  • Diameter Tolerance
    ±0.20 mm