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Sapphire Material

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Sapphire Material

UV-IR Transparent Optical Grade Broadband Optical Transparency
Sapphire Material

Sapphire is a single crystal aluminum oxide (Al2O3).Its Mohs hardness is 9,it is one of the hardest materials.Sapphire has good mechanical strength,and it is also transparent from visible to IR spectrum.So,it is always used as window material where scratch resistance is required.

  • Item No :

    Sapphire Material
  • Product Origin :

    FuZhou
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Properties: 

Transmission range: 180nm ~ 4500nm
Lattice Constant:  a=4.75 A; c=12.97A
Density: 3.98 g/cm3
Thermal Conductivity: 0.04W/m/K
Refractive Index: 1.755@1um
Expansion Coefficient:  8.4x10-6/K
Mohs Hardness:  9
Melting Point: 2030℃

 

Why choose Sapphire Material?

Sapphire material, a single-crystal optical material based on aluminum oxide, serves as a key component in high-end optical and electronic fields due to its broad-band high transmittance, extreme hardness, and excellent thermal stability. Its crystalline structure enables wide-spectrum transmission from ultraviolet to mid-infrared, while offering superior chemical resistance and corrosion tolerance for stable performance in harsh environments. With high thermal conductivity and outstanding mechanical strength, sapphire is not only used for optical windows and substrates in high-power laser systems, but also as a semiconductor substrate for epitaxial growth, commonly appearing in infrared imaging systems, wear-resistant optical components, and precision optical assemblies in high-temperature environments.

 

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