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FUSED SILICA WINDOWS
Fused silica windows are a clear choice for optical applications requiring:
- 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 which require a high degree of flatness
Due to these unique properties, 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. 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 windowfor your application click here.
In-Stock Fused Silica Windows
Advanced Optics maintains a wide range of in-stock fused silica windows polished to either λ/10 or λ/20 as follows:
Optical Window Specifications:
| Surface Accuracy: Double Sided | Diameter | Fused Silica (Thickness) |
| λ/20 (0.000001") | 25.4 (1") | 12.7 (1/2") |
| λ/10 (0.000002") | 25.4 (1") | 12.7 (1/2") |
| λ/20 (0.000001") | 50.8 (2") | 15.9 (5/8") |
| λ/10 (0.000002") | 50.8 (2") | 15.9 (5/8") |
| λ/20 (0.000001") | 76.2 (3") | 15.9 (5/8") |
| λ/10 (0.000002") | 76.2 (3") | 15.9 (5/8") |
| λ/20 (0.000001") | 101.6 (4") | 19.1 (3/4") |
| λ/10 (0.000002") | 101.6 (4") | 19.1 (3/4") |
| λ/20 (0.000001") | 127 (5") | 19.1 (3/4") |
| λ/10 (0.000002") | 127 (5") | 19.1 (3/4") |
| λ/20 (0.000001") | 152.4 (6") | 25.4 (1") |
| λ/10 (0.000002") | 152.4 (6") | 25.4 (1") |
| λ/20 (0.000001") | 203.2 (8") | 33.8 (1.33") |
| λ/10 (0.000002") | 203.2 (8") | 33.8 (1.33") |
Fused Silica Technical Data Sheet from Corning Incorporated (pdf)
In addition Fused Silica Windows, we have a large variety of in-stock round optical windows.
Advanced Optics has the capability to manufacturer square and rectangular windows as well as the capability to provide custom shapes, apply bevels and even drill holes to meet your unique application.