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Plane Parallel Windows
MATERIAL - Sapphire Al2O3
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Sapphire Al2O3 optics - transparent in wide spectral range from 0.17 to 5.5 microns.
Crystaltechno Ltd. manufactures optical plane parallel windows from fused silica, glass and different types of optical crystals, including Sapphire Al2O3.
Sapphire Al2O3 plane parallel windows are widely used as transfer optics, including protective windows.
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PARAMETER |
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VALUE |
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Flatness |
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0.0025mm per 10mm length |
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Scratch-Dig |
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80 - 50 |
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Size tolerance |
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± 0.1 mm |
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Parallelism |
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0.01mm per 10mm length |
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Clear aperture |
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90 % |
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Bevels |
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(0.2-0.5) mm x 45° |
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Diameter, mm |
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Thickness, mm |
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Part Number |
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12,7 |
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2 |
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W7-05-1 |
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12,7 |
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2 |
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W7-12-2 |
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25,4 |
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1 |
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W7-10-1 |
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25,4 |
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2 |
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W7-10-2 |
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25,4 |
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3 |
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W7-10-3 |
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38,1 |
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1 |
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W7-15-1 |
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38,1 |
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2 |
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W7-15-2 |
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38,1 |
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3 |
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W7-15-3 |
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38,1 |
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4 |
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W7-15-4 |
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50,8 |
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1 |
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W7-20-1 |
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50,8 |
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2 |
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W7-20-2 |
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50,8 |
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3 |
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W7-20-3 |
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50,8 |
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4 |
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W7-20-4 |
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76,2 |
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1 |
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W7-30-1 |
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76,2 |
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2 |
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W7-30-2 |
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76,2 |
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3 |
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W7-30-3 |
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Large sizes of Sapphire Al2O3 optical windows are also available per customer request.
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