1. Products
  2. Optics
  3. Optical Mirrors
  4. Broadband Dielectric Mirrors
  5. High-Performance Zerodur Dielectric Mirrors
  6. 40Z20BD.2

Dielectric Mirror, Broadband, Zerodur, 101.6 mm, 700-950 nm

  • Wavelength Region
    NIR
  • Wavelength Range
    700-950 nm
  • Mirror Shape
    Round
  • Diameter
    101.6 mm  
  • Mirror Size
    Ø101.6 mm
  • Thickness
    17.7 mm  
  • Material
    Zerodur® or equivalent
  • Coating Type
    Broadband Dielectric
  • Coating Code
    BD.2
  • Surface Quality
    20-10 scratch-dig
  • Surface Flatness
    λ/10 at 632.8 nm
  • Substrate Number
    40Z20
  • Angle of Incidence
    0-45°
  • Clear Aperture
    ≥central 80% of diameter
  • Back Surface
    Ground
  • Reflectivity
    Rs (avg)>99%, Rp (ave)>97% @ 700-950 nm,R(avg)>80% at 632.8 nm
  • Damage Threshold
    1000 W/cm² CW, 4 J/cm², 10 ns pulses, 10 Hz, at 800 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
Other