Concave Metallic Mirror, 25.4 mm, 500 mm Focal Length, 450-700 nm

Technical Specs

  • Wavelength Range
    450-700 nm
  • Mirror Shape
    Concave
  • Diameter
    25.4 mm
  • Effective Focal Length (EFL)
    500 mm
  • F/#
    19.7
  • Radius of Curvature (R)
    -1000 mm
  • Material
    Borofloat® 33
  • Coating Type
    Enhanced Aluminum
  • Coating Code
    ER.1
  • Surface Quality
    40-20 scratch-dig
  • Surface Flatness
    λ/4 at 632.8 nm
  • Center Thickness (Tc)
    6.27 mm
  • Angle of Incidence
    0-15°
  • Back Surface
    Fine ground
  • Reflectivity
    Ravg>93%, Rmin>90 % @ 450-700 nm
  • Damage Threshold
    0.5 J/cm² with 10 ns pulses at 532 nm, 20Hz
  • Edge Thickness (Te)
    6.35 mm
  • Thickness Tolerance
    ±0.25 mm
  • Diameter Tolerance
    +0/-0.13 mm
  • Chamfers
    0.25–0.76 mm face width
  • Chamfers Angle Tolerance
    45° ±15°
  • Wedge
    ≤0.03 mm
  • Cleaning