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Plane Parellel Windows
MATERIAL - Ge (Germanium)
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Crystaltechno LTD makes optical windows from different types of optical crystals and glasses.
Plane parallel windows are widely used as transfer optics and shields.
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PARAMETER |
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VALUE |
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Flatness |
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Lambda/2 at 633 nm per inch |
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Scratch-Dig |
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60 - 40 |
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Size tolerance |
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+/- 0.1 mm |
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Parallelism |
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less than 3 arc minutes |
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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 degrees |
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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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W14-05 |
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25,4 |
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3 |
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W14-10 |
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38,1 |
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4 |
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W14-15 |
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50,8 |
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6 |
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W14-20 |
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76,2 |
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8 |
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W14-30 |
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101,6 |
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12 |
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W14-40 |
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Large sizes are also available per customer request.
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