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Sapphire Crystal, Al₂O₃

Sapphire Crystal, Al₂O₃

Sapphire Crystal – Exceptional Strength and Wide Spectral Range

Sapphire (Al₂O₃) is one of the most durable optical materials, featuring exceptional hardness, scratch resistance, and high thermal stability. It offers excellent transmission from UV (150 nm) to mid-IR (5.5 μm), making it ideal for high-performance optical systems in extreme environments.

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Key Features

Mohs hardness of 9, highly scratch-resistant

Transmission range: 150 nm – 5.5 μm

Excellent chemical corrosion resistance

High mechanical strength and thermal stability

Applications

Defense and aerospace optical domes

Infrared windows and lenses

High-power laser systems

Harsh-environment sensors

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LUMINA is committed to becoming your reliable partner in the high-end optical field. If you have special optical needs or application challenges that cannot be met by standard products, please contact us to start your journey of customized optical solutions!
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