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Home > Products > Sapphire Optical Components > Sapphire Viewports

Sapphire Viewports, Sapphire Viewport Glass


    Creator Optics can make customized sapphire viewport for vacuum and industrial furnaces. The diameter is from 12mm to 200mm. The thickness is from 2mm to 20mm. All of these Sapphire Viewports have deep-polished surface and good flatness and parallelism. Optical coatings are avaliable upon request.

    dot Surface Quality: 80/50, 60/40.
    dot Clear Aperture : 90% of circle.
    dot Coating: We provide different single layer or multiplayer anti-reflecting ( AR ) coating against differrent requirements, customized available.

Common Specifications of Sapphire Viewport Glass:

Specifications/Grade Precise Standard
Material CZ Sapphire, Ky Sapphire, HEM Sapphire
Diameter 12mm to 200mm, customized available
Thickness 2mm to 20mm , customized available
Diameter Tolerance ±0.05mm ±0.1mm
Thickness Tolerance ±0.05mm ±0.1mm
Edge fine ground or polished fine ground or polished
Chamfer 0.2- 0.5*45° 0.2-0.5 *45°
Flatness / Surface Accuracy 1/2 lambda per inch @633nm 1 lambda per inch @633nm
Parallelism of Sapphire Viewport 30 arc sec 3 arc min
Surface Quality 40/20 60/40
Clear Aperture ≥90% ≥90%
Coating AR/AR coated for two surfaces, customized available

    Creator Optics can also provides many viewports with assembled stainless steel flanges. Please contact our Sales Engineers for more details.



* For more information or other materials and requests, please contact us.


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