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1/20 WAVE FUSED SILICA OPTICAL WINDOW, 1” DIAMETER
View all Optical Windows and Capabilities.Our λ/20 optical windows are manufactured from synthetic fused silica which provides:
- A high degree of purity
- Superior environmental durability
- A low coefficient of thermal expansion
- Outstanding resistance to thermal shock
- Excellent transmission from the UV to the NIR
- Exceptional hardness for demanding applications reqiring a high degree of flatness
Due to the above characteristics, fused silica windows are used in many industries including aerospace, astronomy, military and commercial avionics, medical and scientific instrumentation, academics and research, as well as industrial applications. In addition, they are an excellent choice for laser applications, spectroscopy, photolithography, vacuum windows, and many other numerous applications.
For further information on how to select/specify the correct optical window for your application click here.
λ/20 Fused Silica Optical Window Specifications:
Diameter | 25.4mm +/- .254mm |
Thickness (mm) | 12.7mm +/- .254mm |
Material | Fused Silica |
Side 1 and Side 2 | 1/10 Wave @ 632.8nm |
Clear Aperture | 90% |
Scratch and Dig | 40/20 |
Edges | Ground/Light Seam |
Coating | Uncoated |
In addition to our in-stock fused silica optical windows, Advanced Optics skilled team of craftsman can provide:
- Parallelism of > 2 arc seconds
- Scratch and Dig of 10-5
- Modification of supplied substrates
- Custom fabrication and free engineering services
- Anti-reflective coatings including; BBAR, MgF2, and custom coatings
We’d like to hear about your project. Start a conversation with us today!
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 Windows
- Custom Optical Window
- Commercial Grade Optical Window
- Precision Grade Optical Window
- Fused Silica Optical Window
- N-BK7 Optical Window
- λ/20 Optical Window
- Technical Information
- Optical Flat Interpretation/Selection
- Selecting An Optical Mirror
- Optical Mirror 10 Step Design Chart
- Optical Window 10 Step Design Chart
- Optical Mirror Cleaning
- Optical Window Technical Information
- Scratch & Dig Specifications
- Optical Terminology
- Optical Filters Technical Information
- Optical Lenses Convex/Concave Mirror Theory
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P.O. Box 117, Pewaukee, WI 53072-0117, USA
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(262) 548-1155
Fax (262) 548-1153