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Thermal Properties Sapphire Crystals / Sapphire Optics Extreme Surface Hardness

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Thermal Properties Sapphire Crystals / Sapphire Optics Extreme Surface Hardness

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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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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

Property Value
Chemical formula Al2O3
Crystal structure Hexagonal
Density 6.73g/cm3
Melting Point 2040°C
Refractive Index n=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°
Parallel 10”
Perpendicular 5’
Surface quality 10/5 (Scratch/Dig)
Chamfer <0.2×45°
Wavefront distorsion <λ/8@632 nm

Product Tags:

Al2O3 Sapphire Optical Crystals

      

Hexagonal Sapphire Crystals

      

550nm Sapphire Crystals

      
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