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Home > Products > Sapphire Optical Components > Sapphire Windows > Sapphire Step Windows

"T-STEP" Sapphire Windows, Customized

    Creator optics (CNCO) can offers high quality customized "T-STEP" sapphire optical windows. These sapphire step windows are made of C-CUT, A-CUT or R-CUT synthetic sapphire single crystal. Although the parameters of these optical windows are similar to those T-STEP windows made of traditional materials, sapphire windows are more stronger.

    Sapphire step windows have precise geometric dimensions. The inner surface of the steps has a good grinding surface and flatness. This feature gives it excellent assemblyability and sealing properties. And, like traditional optical windows, sapphire step windows have good polish and surface accuracy.

    In addition, the company can provides uncoated and AR coated t-step sapphire windows for all kinds of optical and laser applications. All of these t-step sapphire windows can be coated with anti-reflective coatings. And the use of bands can range from ultraviolet, visible, near-infrared and even to medium infrared.

    The main shapes of sapphire T-Step windows are as follows:

  • Circle / Round step sapphire window, circular sapphire step window
  • Rectangular / Square step sapphire window

    sapphire-step-window    t-step-window-dwg    sapphire-rectangular-step-window


Common Specifications of "T-STEP" Sapphire Windows:

Items/Grade Precision Standard
Size Range Diameter 3mm to 200mm, 3x3 to 200x200mm, customized available
Thickness 5mm to 50mm , customized available
Size Tolerance +/-0.05mm +/-0.10mm
Thickness Tolerance +/-0.025mm +/-0.05mm
Step Tolerance +/-0.10mm +/-0.10mm
Edge ground ground
Chamfer/Bevel 0.25*45° 0.25*45°
Flatness 1/4 lambda per inch @633nm 1 lambda per inch @633nm
Parallelism 30 arc sec 3 arc min
Surface Qulitity 20/10 60/40
Clear Aperture >85% >85%
Coating anti-reflective coating, customized available
Material CZ sapphire, KY sapphire, HEM sapphire ( C-CUT, A-CUT, R-CUT )


* For more information or other materials and requests, please contact our sales engineers today.



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