Aluminum Mirror, Zerodur, 203.2 mm, λ/5, 450-700 nm

Technical Specs

  • Wavelength Region
    VIS
  • Wavelength Range
    450-700 nm
  • Mirror Shape
    Round
  • Diameter
    203.2 mm  
  • Mirror Size
    Ø203.2 mm
  • Thickness
    29.5 mm  
  • Material
    Zerodur® or equivalent
  • Coating Type
    Enhanced Aluminum
  • Coating Code
    ER.1
  • Surface Quality
    20-10 scratch-dig
  • Surface Flatness
    λ/5 at 632.8 nm
  • Substrate Number
    80Z10
  • Angle of Incidence
    0-45°
  • Clear Aperture
    ≥central 80% of diameter
  • Back Surface
    Ground
  • Reflectivity
    Ravg>93%, Rmin>90 % @ 450-700 nm
  • Damage Threshold
    0.5 J/cm² with 10 ns pulses at 532 nm, 20Hz
  • Diameter Tolerance
    +0/-0.25 mm
  • Thickness Tolerance
    ±0.38 mm
  • Chamfers
    0.51–1.52 mm face width
  • Chamfers Angle Tolerance
    45° ±15°
  • Cleaning