Concave Mirror, Broadband Metallic, 250 mm Focal Length, 250-600 nm

Technical Specs

  • Wavelength Range
    250-600 nm
  • Mirror Shape
    Concave
  • Diameter
    12.7 mm
  • Effective Focal Length (EFL)
    250 mm
  • F/#
    19.7
  • Radius of Curvature (R)
    -500 mm
  • Material
    Borofloat® 33
  • Coating Type
    UV Enhanced Aluminum
  • Coating Code
    AL.2
  • Surface Quality
    40-20 scratch-dig
  • Surface Flatness
    λ/4 at 632.8 nm
  • Center Thickness (Tc)
    3.14 mm
  • Angle of Incidence
    0-15°
  • Back Surface
    Fine ground
  • Reflectivity
    Ravg>90% @ 250-600 nm
  • Damage Threshold
    2 J/cm² with 10 ns pulses at 355 nm, 20Hz
  • Edge Thickness (Te)
    3.18 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