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GCL-12 Windows
GCL-1201 Sapphire Windows
GCL-1202 Fused Silica Windows
GCL-1203 Calcium Fluoride Windows

GCL-1201 Sapphire Windows
High strength, hardness and chemical stability
Transparent from 170nm to 5.3 micron
Sapphire is transparent from 170nm to 5.3 micron. Having high strength, hardness and chemical stability it is an exellent material for severe enviroments. Being five times stronger than glass and heat resisting up to 2000 °C, sapphire is often applied as pressure windows.
Dimensions: +0.0/-0.1mm
Wedge Angle: 3 arc minutes
Surface Quality: V / 80-50 scratch-dig
Without demand on flatness
uncoated
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| Catalog No. |
Dia. |
Thickness |
| GCL-120101 |
12.7 |
1.0 |
| GCL-120102 |
25.4 |
1.0 |
All dimensions are in mm unless otherwise specified.
GCL-1202 Fused Silica Windows
Low coefficient of thermal expansion
Ideal material for UV applications
Fused silica is an ideal material for UV applications which is transparent from 155nm to 4.0µm. It is characterized by excellent chemical and radiation resistance, low coefficient of thermal expansion, fluorenscence, and is resistant to scratching.
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Diameter Tolerance: +0.0/-0.1mm
Wedge Angle: 3 arc minutes
Flatness: lambda/10 at 633nm
Surface Quality: III / 40-20 scratch-dig
Uncoated
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| Catalog No. |
Dia. |
Thickness |
| GCl-120201 |
12.7 |
2.0 |
| GCL-120202 |
25.4 |
5.0 |
| GCL-120203 |
38.1 |
5.0 |
All dimensions are in mm unless otherwise specified.
GCL-1203 Calcium Flouride Windows
Transparent from deep UV to FIR
Excimer laser applications
Calcium Fluoride is extremely transparent over a wide spectrum from deep UV (135nm) to far IR.(9.4µm), which is the idal windows for the very short wavelength excimer lasers. The crystal has very low index (about 1.40) and thus elimimating the need of antireflection coatings. It is slightly soluble in water.
Diameter: +0.0/-0.1
Wedge Angle: 3 arc minutes
Flatness: lambda/2 at 633nm
Surface Quality: V / 80-50 scratch-dig
Uncoated
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| Catalog No. |
Dia. |
Thickness |
| GCl-120301 |
12.7 |
3.0 |
| GCL-120302 |
25.4 |
3.0 |
| GCL-120303 |
38.1 |
4.0 |
All dimensions are in mm unless otherwise specified.
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