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PRECISION ROUND OPTICAL MIRRORS

Round precision mirrors are available in three different materials to meet various demanding applications where a high degree of wavefront integrity is critical. Our precision round mirrors are aluminum coated with a protective SiO overcoat. They are also available uncoated for use as windows or flats.

Target Grade - made of low expansion borosilicate glass which provides low thermal expansion, high thermal resistance, excellent light transmission and impressive chemical durability.

Interferometer Grade - made of synthetic fused silica which provides superior transmission characteristics, a high degree of purity, exceptional environmental durability, and a low coefficient of thermal expansion.

ZERODUR® - made of a glass-ceramic material which is thermally more stable than fused silica.

PRECISION ROUND OPTICAL MIRRORS

Target Grade Specifications:

  • S1: Flatness specified at 633nm
  • 60/40 scratch/dig, except where noted
  • S2: Fine ground
  • Diameter: +/-1.0mm
  • Thickness: +/-1.0mm
  • Material: Low expansion borosilicate glass
  • * Standard 80/50 scratch/dig
Diameter Thickness Flatness Flatness
25.4mm 6.2mm λ/4 λ/10
50.8mm 9.5mm λ/4 λ/10
76.2mm 12.7mm λ/4 λ/10
101.6mm 15.8mm λ/4 λ/10
*152.4mm 25.4mm λ/4 λ/10
*203.0mm 33.8mm λ/4 λ/10

Interferometer Grade Specifications:

  • S1: Flatness specified at 633nm
  • 60/40 scratch/dig
  • S2: Fine ground
  • Diameter: +/-0.5mm
  • Thickness: +/-0.5mm
  • Material: Fused silica

ZERODUR®

Please call for a prompt quote on your specifications.

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 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.

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