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  2. Optics
  3. Optical Mirrors
  4. Broadband Dielectric Mirrors
  5. Standard Borofloat 33 Dielectric Mirrors
  6. 3MD20BD.1

Dielectric Mirror, Broadband, 30.0 mm, 488-694 nm

  • Wavelength Region
    VIS
  • Wavelength Range
    488-694 nm
  • Mirror Shape
    Round
  • Diameter
    30.0 mm  
  • Mirror Size
    Ø30.0 mm
  • Thickness
    6.0 mm  
  • Material
    Borofloat® 33
  • Coating Type
    Broadband Dielectric
  • Coating Code
    BD.1
  • Surface Quality
    15-5 scratch-dig
  • Surface Flatness
    λ/10 at 632.8 nm
  • Substrate Number
    3MD20
  • Angle of Incidence
    0-45°
  • Clear Aperture
    ≥central 80% of diameter
  • Back Surface
    Ground
  • Reflectivity
    Rs (avg)>99%, Rp (ave)>98% @ 488-694 nm
  • Damage Threshold
    500 W/cm² CW, 3 J/cm², 10 ns pulses, 10 Hz, at 532 nm
  • Diameter Tolerance
    +0/-0.13 mm
  • Thickness Tolerance
    ±0.25 mm
  • Chamfers
    0.38–1.14 mm face width
  • Chamfers Angle Tolerance
    45° ±15°
  • Cleaning
    See How to Clean Optics
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