Single Plate Windows

SPECIFICATIONS
High Precision BK7 Windows         Standard BK7 Windows

Specifications
Material: BK7 grade A optical glass
Diameter Tolerance: +0.0, -0.1mm
Thickness Tolerance: ± 0.2mm
Clear Aperture: >80%
Parallelism: 10 arc seconds
Surface Quality: 40-20 scratch and dig
Wave front Distortion: λ/10 per 25m @633nm
Bevel: <0.25mm X 45°


Specifications:
Material: BK7 grade A optical glass
Diameter Tolerance: +0.0, -0.1mm
Thickness Tolerance: ± 0.2mm
Clear Aperture: >80%
Parallelism: 1 arc minute
Surface Quality: 60-40 scratch and dig
Wave front Distortion: 1λper 25mm @633nm
Bevel: <0.25mm X 45°
Part No.
Ф (mm)
T (mm)
WNB101
10.0
6.0
WNB102
25.0
6.0
WNB103
50.0
10.0
Part No.
Ф (mm)
T (mm)
WNB201
10.0
3.0
WNB202
15.0
3.0
WNB203
25.0
3.0
WNB204
50.0
3.0
High Precision UV Grade Fused Silica Windows Standard Fused Silica Windows
 Specifications:
Material: UV grade Fused Silica
Diameter Tolerance: +0.0, -0.1mm
Thickness Tolerance: ± 0.2mm
Clear Aperture: >85%
Parallelism: 10 arc seconds
Surface Quality: 20-10 scratch and dig
Wave front Distortion: λ/10 per 25mm @633nm
Bevel: <0.25mm X 45°

 Specifications: 
Material: UV grade Fused Silica
Diameter Tolerance: +0.0, -0.1mm
Thickness Tolerance: ± 0.2mm
Clear Aperture: >85%
Parallelism: 1 arc minute
Surface Quality: 60-40 scratch and dig
Wave front Distortion: λper 25mm @633nm
Bevel: <0.25mm X 45°

Part No
Ф (mm)
T (mm)
WNFS101
10.0
6.0
WNFS102
25.0
6.0
WNFS103
50.0
10.0
Part No
Ф (mm)
T (mm)
WNFS201
10.0
3.0
WNFS202
15.0
3.0
WNFS203
25.0
3.0
WNFS204
50.0
3.0
Calcium Fluoride Windows
 Specifications:
Material: Calcium Fluoride single crystal
Diameter Tolerance: +0.0, -0.1mm
Thickness Tolerance: ± 0.2mm
Clear Aperture: >85%
Parallelism: 1 arc minute
Surface Quality: 80-50 scratch and dig
Wavefront Distortion: λ/10 @633nm @633nm
Bevel: <0.25mm X 45°

Part No
Ф (mm)
T (mm)
WNCF101
12.7
2.0
WNCF102
25.4
3.0
WNCF103
38.0
5.0
WNCF104
50.0
3.0

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