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

Woman Owned Small Business



Precision Grade optical windows are used in a variety of industries to separate two different environments while allowing light to pass through. Advanced Optics manufactures precision grade optical windows in a variety of shapes, sizes, and finishes designed to meet your exact requirements. Our precision optical windows come in λ/4, λ/10 or λ/20 options and can be ordered uncoated or with a MgF2 or BBAR coating. Custom coatings are available upon request.

Advanced Optics offers a wide variety of off-the-shelf optical windows, as well as the option for our customers to create a custom optical window, that is tailored to their specific needs.

For more than 50 years, our optical windows have been relied upon by various industries such as aerospace, military and commercial avionics, scientific and medical instrumentation, academic and research, and industrial applications.

Optical Window Substrates

Our optical windows are made of a variety of substrates to suit your application including:

Advanced Optics carries an extensive stock of raw materials for the fastest response time possible. Our team of skilled craftsmen can cut and shape any of the glasses mentioned above in-house. In addition to our in-stock optical windows, we have the capability 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 IncorporatedFused 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