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Sapphire optical components

Sapphire (Al2O3) is the hardest material among oxide crystals, perfectly transparent and chemically inert. Sapphire windows can be much thinner than other glasses or crystals keeping the same physical properties.




  • transparent¬†from 150 nm to 6 um
  • crystal type: hexagonal
  • density: 3.98 g/cm3

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