Sapphire optical window

K9 optical window



  • Sapphire (Al2O3) has a transmission range of 0.2-5.5um. It is an infrared optical window and substrate material with excellent performance. It is resistant to high temperature and high hardness, second only to diamond, and resistant to acid-base corrosion.

Technical parameters
Items Parameters
Material Sapphire
Radius of curvature ± 1mm - ± 50000mm ± 1%
Diameter 3mm-300mm ± 0.1mm
Center thickness tolerance ± 0.05mm (we can process to ± 0.01mm with high precision)
Center deviation 3′(we can process to 30 ″with high precision)
Surface accuracy λ/ 8 (high precision, we can process to 1 / 10λ)
Surface quality 40/20 (we can process to 10-5 with high precision)
Effective caliber ≥90%
Coating According to the custom requirements
spectral curve

In addition, We can customize the optical window according to customer requirements or drawings.

For details, please consult:

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