World Wide Suppliers of Industrial Sapphire&Ruby Precision Parts

Sapphire to Metal for Fluidic,Metrology&Medical Components

ISO 9001:2019 Mfg&Managment Certified Companies

Rectangle Sapphire Windows

Rectangular sapphire windows are excellent at protecting delicate optics due to their superior strength and transmission. Rectangular sapphire windows can also be used as viewports in high pressure or vacuum situations. Square sapphire pressure windows can be made much thinner than other optical glasses due to sapphire’s high modulus of rupture.

SpecificationsGrade High-Precision Standard
Size Range 3x3 to 200x200mm 3 to 300mm
Size Tolerance 0.05mm 0.127mm
Thickness 1 to 10mm 0.2 - 20mm
Thickness Tolerane +/-0.05mm +/-0.1mm
Edge ground or polished ground or polished
Angle Tolerance +/-10´ +/-30´
Flatness up to 1/4 lambda per inch @633nm 2 lambda per inch @633nm
Parallelism 30 arc sec each 1 inch square 3 to 5 arc min
Surface Qulity 40/20 80/50
Clear Aperture > 85% > 85%
Bevel 0.25*45° 0.25*45°
Coating anti-frective coating (AR), customized available
Material KY sapphire, CZ sapphire, HEM sapphire, C-plane, A-plane, R-plane

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