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Our fused silica mirrors are manufactured from Corning 7980 or Industrial Grade Fused Silica, both of which provide a high degree of purity, exceptional environmental durability, and a low coefficient of thermal expansion.

Advanced Optics offers fused silica mirrors polished either λ/4, λ/10 or λ/20 to meet exact customer requirements. Many of our optical mirrors are available in-stock for immediate shipment.

Coatings include:

  • Protected and bare aluminum
  • Protected and bare gold
  • Protected silver
  • Aluminum magnesium fluoride
  • Enhanced aluminum (one specifically designed for the visible region of the spectrum and one for the ultraviolet region)
  • Custom optical coatings available upon request


Fused Silica Mirror Specifications:

  • S1: Flatness specified at 633nm
  • 60/40 scratch/dig
  • S2: Fine ground
  • Diameter: +/-0.254mm
  • Thickness: +/-0.254mm
  • Material: Fused silica
  • Coating: AlSiO
Diameter Thickness Flatness Flatness
25.4mm 12.7mm λ/10 λ/20
50.8mm 15.9mm λ/10 λ/20
76.2mm 15.9mm λ/10 λ/20
101.6mm 19.1mm λ/10 λ/20
127.0mm 19.1mm λ/10 λ/20
152.4mm 25.4mm λ/10 λ/20

In addition to our in-stock optical mirrors, Advanced Optics provides custom optical fabrication and free engineering services. We have the capability to provide custom shapes, apply bevels and even drill holes to meet your unique application.

Need a custom coating? No problem. Let us help you find the exact optical coating for your mirror.

Have a question? Give us call and tell us about your project. (262) 548-1155