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Metallic Coatings

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  • Broadband over near-UV, VIS to FIR
  • Insensitive to polarization and incident angle
  • Low damage threshold, can NOT be used on high power lasers

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  • --Protected Aluminum Coating 
    R>92% @0.26~0.4 microns
    Rave>90% @0.4~0.7microns

    --Protected Silver Coating
    R>96%@ 0.4~0.7 microns 
    R>98% @0.75~10.0 microns

    --Protected Gold Coating
    R>96% @0.8~10.0 microns
Precision Optical Flat Mirrors


These high accuracy mirrors are reflective coated and then overcoated for protection. Excellent for imaging system, laser applications, as well as for Holography, optical path folding and as reflectors for Autocollimating requirements. 
These mirrors are of the same quality as our precision optical flats . Before coatings, the primary surface is precision ground and polished to the stated accuracy and certified by Digital Phase-Shifing interferometer. The secondary surface is commercial polished.


  • Material: Fused Silica or Zerodur
    Dimension: 30mm to 300 mm
    Surface Quality: 60/40
    Surface Accuracy: λ/20, λ/10, λ/4
    Coating: protected aluminum,Ag&Cu