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Custom Square Optical Windows Green Moissanite SiC Crystal High Hardness

sic crystal
August 28, 2025
Category Connection: SiC Substrate
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The green moissanite square window is a high-precision optical flat made from lab-grown silicon carbide (SiC) single crystal material. It is not intended for jewelry decoration but serves as a high-end functional optical component, acting as a viewing window, protective cover, or part of an optical system in harsh environments. Its distinctive green color is not for aesthetic purposes but reflects the material's excellent optical performance in specific wavelength bands.
Tags:
#sic wafer #sic substrate #silicon carbide substrate
Brief: Discover the Custom Square Optical Windows Green Moissanite SiC Crystal, a high-hardness, precision optical component designed for harsh environments. Ideal for industrial, aerospace, and semiconductor applications, this lab-grown silicon carbide window offers exceptional durability and optical performance.
Related Product Features:
  • Extreme hardness with a Mohs rating of 9.25, second only to diamond.
  • Broad-spectrum transmission from 0.4 μm to 5.5 μm for multispectral sensing.
  • Excellent chemical stability, resistant to acids, alkalis, and seawater corrosion.
  • High thermal conductivity and low thermal expansion for stability in high-temperature environments.
  • Customizable dimensions and thicknesses to meet specific mechanical and optical requirements.
  • High rigidity and bending strength, suitable for high-pressure differential environments.
  • Surface flatness up to λ/ @ 632.8nm for precision optical applications.
  • Versatile applications in aerospace, defense, semiconductor manufacturing, and deep-sea exploration.
Faqs:
  • What are green moissanite square windows used for?
    They serve as extremely durable optical windows and protective covers in harsh environments like high-pressure, high-temperature, or corrosive industrial and aerospace applications.
  • How hard is a moissanite optical window?
    With a Mohs hardness of 9.25, it is one of the hardest available optical materials, offering exceptional scratch and abrasion resistance.
  • Can the dimensions and thickness of the green moissanite square window be customized?
    Yes, the dimensions and thickness can be customized based on client drawings or technical specifications, with common ranges from 5mm × 5mm to 50mm × 50mm and thicknesses from 0.5mm to 3mm.
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