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Thermal Properties Sapphire Crystals / Sapphire Optics Extreme Surface Hardness

Categories Optical Crystals
Place of Origin: China
Brand Name: CRYLINK
Certification: Iso9001
MOQ: 1 Pieces
Price: negotiation
Packaging Details: Carton
Delivery Time: 3-4 weeks
Payment Terms: TT
Supply Ability: 100 pieces /month
Model Number: CRYLINK-Sapphire Crystal
Name: Sapphire Optical Crystals
Surfaceflatness:
Clear Aperture: >90%
Orientation Tolerence: <0.5°
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Thermal Properties Sapphire Crystals / Sapphire Optics Extreme Surface Hardness

Product Details

Sapphire crystal is an excellent multifunctional material widely used in industry, national defense, and aerospace. It has high-temperature resistance up to 2000 ℃, good thermal conductivity, high hardness (Morse 9th) and good chemical stability. Usually, this material is used for high-temperature resistant infrared window, solid laser, precision wear-resisting bearings. It is also widely applied in crystal substrate, especially for blue, purple, white light-emitting diodes (LED) and blue light laser (LD). As the hardest material among all oxide crystals, Sapphire has a combination of good optical and physical properties, which even maintains at high temperature, making it the best choice for a variety of demanding applications.


Features

  • Extreme surface hardness
  • High-temperature resistance
  • Good thermal properties
  • Excellent electric and dielectric properties and chemical resistance
  • Transmitting wavelength ranging from UV to Mid-Infrared

Applications

  • Thin and high-strength window
  • Optical substrates and window
  • Transparent electronic substrate
  • High-temperature and pressure window
  • Right angle prism

Chemical and Phisical Properties


PropertyValue
Chemical formulaAl2O3
Crystal structureHexagonal
Density6.73g/cm3
Melting Point2040°C
Refractive Indexn=1.84 @550 nm
n=1.623 @500 nm
Transmission band (μm)0.15-6

Polish

Surface flatness<λ/8@632nm
Clear aperture>90%
Orentation tolerance<0.5°
Parallel10”
Perpendicular5’
Surface quality10/5 (Scratch/Dig)
Chamfer<0.2×45°
Wavefront distorsion<λ/8@632 nm
Quality Thermal Properties Sapphire Crystals / Sapphire Optics Extreme Surface Hardness for sale
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