Gold Mirror, Economy, Borofloat, 19.05 mm Square, λ/10, 650-20,000 nm

Technical Specs

  • Wavelength Region
    Broadband
  • Wavelength Range
    650-20000 nm
  • Mirror Shape
    Square
  • Mirror Size
    19.05 x 19.05 mm
  • Thickness
    4.57 mm  
  • Material
    Borofloat® 33
  • Coating Type
    Protected Gold
  • Coating Code
    ER.4
  • Surface Quality
    60-40 scratch-dig
  • Surface Flatness
    λ/10 at 632.8 nm
  • Substrate Number
    07SD520
  • Angle of Incidence
    0-15°
  • Clear Aperture
    ≥central 80% of diameter
  • Back Surface
    Ground
  • Reflectivity
    Ravg>96%, Rmin>92% @ 650-1700 nmRavg>98%, Rmin>96% @ 1.7-20 µm
  • Damage Threshold
    0.5 J/cm², 10 ns pulses , 20 Hz at 1064 nm
  • Size Tolerance
    +0/-0.13 mm
  • Thickness Tolerance
    ±0.25 mm
  • Chamfers
    0.25-0.76 mm face width
  • Chamfers Angle Tolerance
    45° ±15°
  • Cleaning