Optical Window, FemtoOptics, Ultrathin, 25.4 mm, 1 mm thick, AR coated

  • Diameter
    25.4 mm
  • Material
    Fused Silica
  • Antireflection Coating
    620-980 nm
  • Reflectance
    R<0.4%
  • Surface Quality
    10-5 scratch-dig
  • Thickness
    1 mm
  • Thickness Tolerance
    ±0.1 mm
  • Wavefront Distortion
    λ/6 at 633 nm
  • Clear Aperture
    ≥ central 85% of diameter
  • Diameter Tolerance
    +0/-0.13 mm
  • Angle of Incidence
    0-20°
  • Coating Code
    UF.AR1
  • Wedge
    < 30 arcseconds