Custom High-Precision Polished Sapphire Optical Windows for Advanced Optical Applications

Specifications

Substrate Material: N-BK7, Fused Silica, UV Grade Fused Silica, IR Grade Fused Silica, Sapphire, MgF2, Other
Antireflection Coating: Uncoated
Diameter: 5 mm
Surface Quality: 20-10 scratch-dig, 40-20 scratch-dig, 60-40 scratch-dig, 80-50 scratch-dig
Surface Flatness: lambda/10, lambda/8, lambda/6, lambda/4, lambda/2, 1 lambda
Thickness: 5 mm
Parallelism: Up to +/-5 arcsec
Linear Dimensions Tolerance: Up to +/-0.01mm

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Features

For flat windows made from sapphire and other glass, the following specifications can be guaranteed.

  • For such kinds of elements, we are able to achieve:
  • The surface quality up to S/D-10/5 according to the MIL-PRF-13830B
  • The surface flatness up to lambda/10 @632nm, as well as TWD flatness
  • The parallelism of polished flat surfaces is up to +/-5 arcsec.
  • The linear dimensions tolerances up +/-0.01mm
  • The shape design and the configurations are according to the customer's request.

Applications

  • Laser optics
  • Optical components
  • Mechanical part
  • Medical devices
  • Custom use