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      1. Home
      2. Products
      3. Photonic Products
      4. Synthetic Sapphire
      5. Curved Sapphire

      Curved Sapphire Windows

      curved small sapphire windows
      curved sapphire large window

      Saint-Gobain is the world leader in curved sapphire windows. Curved Sapphire is available in radial sizes ranging from 2” Radius to 25” Radius with chord lengths from 2.5” to 9” and thicknesses from .04” to .30” (click on illustration below).

      Synthetic sapphire properties make it the material of choice for a variety of applications ranging from optical sapphire windows for aerospace sensor systems to tubes, pins, rods, and lenses for industrial and semiconductor markets. Sapphire's unique properties make it a cost-effective solution where high performance and long life are critical, including extreme conditions such as high-temperature, high-pressure, or harsh chemical and physical environments.

      One of the hardest materials in existence, sapphire is virtually scratch-proof which helps it maintain its integrity in demanding physical environments. It has a melting point of over 2000 °C, making it ideal for high-temperature applications. It is chemically inert and easily withstands harsh chemicals such as fluorine plasma and other industrial gasses and fluids, with no particle generation. In addition, sapphire can transmit ultraviolet, visible, and infrared light as well as microwaves, a range broader than most materials.

       

       

       

       

      Uses/Applications

      • Viewports and sight windows
      • Vehicle Safety Windows
      • LiDAR sensor protection
      • Micro-wave guide barriers
      • Forward-Looking Infra-Red (FLIR) windows
      • Electro-Optic (EO) windows
      • Laser designator / range-finder windows
      • Infrared windows for spectroscopic analysis
      • Optical sensors for industrial processes
      • Mail sorting optical scanner windows
      • Heat/smoke detection windows
       

      Features/Benefits

      • Single (Al2O3) Sapphire crystal, highest purity possible, no grain boundaries
      • Minimal to no particle contamination
      • High melting point, 2053oC
      • Hardness next to diamond on Mohs Scale of Hardness: extremely scratch-resistant
      • Chemically inert (non-reactive in most process environments)
      • Superior rigidity (435 Gpa, 6x stiffer than quartz)
      • Transparent - transmits UV - visible - IR wavelengths
      • Radiolucent

       

      Related Resources

       Sapphire Material Properties

       Contact us to learn more!

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