Industrial Sapphire Windows

Sapphcom Sapphire Competence

Specifications

Substrate Material: Sapphire
Antireflection Coating: Coated, Uncoated
Diameter: 350 mm
Surface Quality: 10-5 scratch-dig, 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: 0.5 mm
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Features

High purity sapphire (UV-Grade)


Surface Quality: 
Up to 4 diamonds according to DIN 3140 or up to Ra 0,01µ or 5/4×0,025 according to DIN 3140 (scratch dig 10-5)


Crystal Orientation:
c-plane, r-plane, m-plane +/-1 deg


Best Tolerances:



  • Diameter: +/-0.01 mm 

  • Thickness:  +0/-0.01 mm

  • Paralellism: <10''

  • Flatness: lambda/10 per inch @633nm


UV Transmission quality (<200 nm)


AR coating and DLC coating possible

Applications


  • View ports for high temperature applications

  • UV and IR applications

  • As windows in laser applications