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BOROSILICATE OPTICAL MIRRORS
Our optical mirrors are manufactured from either BOROFLOAT® 33 or SUPREMAX® 33, which provide low thermal expansion, high thermal resistance, excellent light transmission and impressive chemical durability. Advanced Optics offers borosilicate optical mirrors precision polished to either λ/4 or λ/10 to meet various demanding applications where a high degree of wavefront integrity is critical. Our borosilicate optical mirrors are aluminum coated with a protective SiO overcoat. They are also available uncoated. Many of our optical mirrors are in-stock for immediate shipment.
View our in-stock borosilicate mirrors below:
- Precision Round Optical Mirrors
- Precision Rectangle Optical Mirrors
- Precision Square Optical Mirrors
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
- Optical Mirrors
- AlSiO Economy Optical Mirror
- Bare Al Optical Mirror
- Borosilicate Optical Mirror
- Custom Optical Mirror
- Front Surface Optical Mirrors
- Fused Silica Optical Mirror
- Precision Grade Optical Mirror
- ZERODUR® Optical Mirror
- Precision Round Optical Mirrors
- Precision Rectangle Optical Mirrors
- Precision Square Optical Mirrors
- λ/4 Optical Mirrors
- Standard 1" x 1", λ/4 Optical Mirror
- λ/10 Optical Mirrors
- λ/20 Optical Mirrors
- Optical Flats
- Single Sided Optical Flat
- Double Sided Optical Flat
- Custom Optical Flats
- Optical Flat Resurfacing
- Optical Windows
- Custom Optical Window
- Commercial Grade Optical Window
- Precision Grade Optical Window
- Fused Silica Optical Window
- N-BK7 Optical Window
- λ/20 Optical Window
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P.O. Box 117, Pewaukee, WI 53072-0117, USA
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(262) 548-1155
Fax (262) 548-1153