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PRECISION GRADE OPTICAL WINDOWS
Precision Grade optical windows are used in variety of industries to separate two different environments while allowing light to pass through. For over 50 years, Advanced Optics has provided custom and off-the-shelf precision polished optical windows used in the aerospace industry, military and commercial avionics fields, scientific and medical instrumentation, academics and research, as well as in industrial applications.
Advanced Optics manufactures precision grade optical windows of various shapes, dimensions and finishes designed to meet your exact application. Our precision optical windows are polished to either λ/4, λ/10 or λ/20 and are offered either uncoated or with MgF2 or BBAR coating. Custom coatings available upon request.
Optical Window Substrates
Our optical windows are made of a variety of substrates to suit your application including:
- Soda-lime Glass
- B 270®
- BOROFLOAT®33
- D 263 T eco
- N-BK7®
- Fused Silica
- Quartz
- Viosil
- ULE® Low Expansion Glass
- High Index Glasses
Advanced Optics carries an extensive stock of raw materials for the fastest response time possible. We have the ability to cut and shape any of the glasses above as well as provide off-the-shelf precision polished optical windows for immediate shipment. Our skilled team of craftsman have the ability to:
- Maintain parallelism of < 2 arc seconds
- Design and supply custom coatings
- Modify customer supplies substrates
- Polish parts with non-standard aspect ratios
- Drill custom holes and provide custom bevels
- Provide surface quality of 10-5 scratch and dig
Fused Silica Technical Data Sheet from Corning Incorporated (pdf)

In addition to our in-stock round optical windows, Advanced Optics has the capability to manufacturer square and rectangular windows as well. We have the capability to provide custom shapes, apply bevels and even drill holes to meet your unique application.
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
- First Surface Optical Mirrors
- Fused Silica Optical Mirror
- Precision Optical Mirror
- ZERODUR® Optical Mirror
- Round Optical Mirrors
- Rectangle Optical Mirrors
- Square Optical Mirrors
- λ/4 Optical Mirrors
- Standard 1" x 1", λ/4 Optical Mirror
- λ/10 Optical Mirrors
- λ/20 Optical Mirrors
- Selecting An Optical Mirror
- Optical Mirror 10 Step Design Chart
- Technical Data: Protected Mirrors
- Technical Data: Unprotected Mirrors
- Optical Mirror Cleaning
- Optical Windows
- Custom Optical Window
- Commercial Grade Optical Window
- Precision Optical Window
- Fused Silica Optical Window
- N-BK7 Optical Window
- λ/20 Optical Window
- Optical Window 10 Step Design Chart
- Optical Window Technical Information
- Optical Filters
- Dichroic Optical Filters
- Neutral Density Filters
- Colored Glass Absorptive Filters
- Optical Filters Technical Information
- Optical Lenses
- Optical Lenses Convex/Concave Mirror Theory
- Technical Data for Optical Materials
- Corning Fused Silica Data Sheet PDF
- BORO FLOAT Technical Data Sheet PDF
- N-BK7 Technical Data Sheet PDF
- Soda Lime Glass Technical Data Sheet PDF
- Fused Quartz Data Sheet PDF
- Zerodur Technical Data Sheet PDF
- Clearceram(C) Data Sheet PDF
- ULE® Low Expansion Glass Data Sheet PDF
- Viosil Data Sheet PDF
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P.O. Box 117, Pewaukee, WI 53072-0117, USA
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(262) 548-1155
Fax (262) 548-1153