p: (262) 548-1155
e: sales@advancedoptics.com

Woman Owned Small Business



Our square optical mirrors are manufactured from either BOROFLOAT® 33 or SUPREMAX® 33 which provide low thermal expansion, high thermal resistance and impressive chemical durability. Advanced Optics square optical mirrors are polished to λ/4 to meet a variety of demanding applications. Our square mirrors are aluminum coated with a protective SiO overcoat and are available uncoated as well.

Many of our square optical mirrors are available in-stock for immediate shipment. See a list of our optical mirrors below:

square optical mirrors

Square Optical Mirror Specifications

  • S1: λ/4 at 633nm
  • 60/40 scratch/dig
  • S2: Fine ground
  • Dimensions: +/-0.5mm
  • Thickness: +0.5mm/-1.5mm
  • Material: Low expansion borosilicate glass
Length Width Thickness
25.4mm 25.4mm 6.35mm
50.8mm 50.8mm 9.60mm
76.2mm 76.2mm 9.60mm
101.6mm 101.6mm 12.70mm
127.0mm 127.0mm 15.90mm<

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