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Home > Products > Sapphire Optical Components > Sapphire Windows > Micro Sapphire Windows

Micro Sapphire Windows


     In many cases, sapphire windows need to be smaller and more accurate, depending on the application requirements. Creator Optics can make micro sapphire windows and Ultra-thin sapphire windows. The minimum diameter can be as small as 0.3 mm. The thinnest thickness can be as thin as 0.2mm.

     All of these Micro Sapphire Windows have deep-polished surface, good flatness and parallelism. Optical coatings are avaliable upon request. It can be used as a front-end protection window for endoscopes, and the edges can be coated with solder layers to facilitate good sealing and durability after welding and assembly.

Specifications of Micro Sapphire Windows:

Specifications/Grade Precise Standard
Materials CZ Sapphire, Ky Sapphire, HEM Sapphire
Diameter 0.3mm to 10mm or square, customized available
Thickness 0.2mm to 1mm , customized available
Diameter Tolerance +/-0.02mm +/-0.05mm
Thickness Tolerance +/-0.02mm +/-0.05mm
Edge fine ground or polished fine ground or polished
Chamfer sharp edge or 0.25 *45° sharpe edge or 0.25 *45°
Flatness / Surface Accuracy 1/4 lambda per inch @633nm 1 lambda per inch @633nm
Parallelism 30 arc sec 3 arc min
Surface Qulitity 40/20 60/40
Clear Aperture >90% >90%
Coating for Micro Sapphire Windows anti-reflective coatings, AR/AR, customized available

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


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