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

Woman Owned Small Business



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

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


Rectangular Optical Mirror Specifications:

  • S1: λ/4 at 633nm
  • 60/40 scratch/dig
  • S2: Fine ground
  • Dimensions: +/-0.25mm
  • Thickness: +0.5mm
  • Material: Low expansion borosilicate glass
Length Width Thickness
25.4mm 38.1mm 6.35mm
25.4mm 50.8mm 9.60mm
25.4mm 76.2mm 9.60mm
25.4mm 101.6mm 9.60mm
50.8mm 76.2mm 9.60mm
50.8mm 101.6mm 9.60mm
76.2mm 101.6mm 9.60mm

In addition to our in stock 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