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Ruby Single Crystal

Available Configurations

Properties common to all products in this list

Composition: Al₂O₃ /Cr₂O₃ /Si₂O₃ Form: Single Crystal Material: Ruby CAS Number: 1344-28-1 Commodity: Ceramics
Ruby Single Crystal offers exceptional hardness, chemical inertness, and optical clarity in a monocrystalline form, making it ideal for high-precision optical and mechanical components. Grown under controlled conditions to ensure uniform structure and minimal defects, ruby single crystals are widely used in laser rods, optical windows, and mechanical bearings. Industries utilize them in scientific instrumentation, aerospace optical systems, and luxury watchmaking. In research, ruby single crystals are integral for high-pressure optical studies, calibration standards in spectroscopy, and the fabrication of specialized optoelectronic devices. The combination of superior optical quality, mechanical durability, and the inherent stability of a defect-free crystalline lattice ensures these single crystals remain indispensable in both advanced engineering and high-accuracy scientific applications.
Starting at $710.00 each
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Material Properties

Chemical Resistance
Element Value
Acids - concentrated Good
Acids - dilute Good
Alkalis Good
Halogens Good
Metals Good
Electrical Properties
Element Value
Dielectric constant 7.5-11.5
Dielectric strength( kV mm⁻¹ ) 15-50
Volume resistivity( Ohmcm ) 10¹⁴@25
Physical Properties
Element Value
Useful optical transmission range 150-5500nm
Apparent porosity( % ) 0
Water absorption - saturation( % ) 0
Density( gcm⁻³ ) 3.98
Thermal Properties
Element Value
Melting point( C ) 2050
Upper continuous use temperature( C ) 1800-1950
Specific heat( J K⁻¹ kg⁻¹ ) 750@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 35-40@20°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 5.8@20-1000°C
Mechanical Properties
Element Value
Tensile modulus( GPa ) 350-390
Hardness - Knoop( kgf mm⁻² ) 2000
Hardness - Vickers( kgf mm⁻² ) 2500-3000
Tensile strength( MPa ) 250-400
Pultrusions
Element Value
Compressive strength( MPa ) 2100
each

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Available Configurations

Properties common to all products in this list

Composition: Al₂O₃ /Cr₂O₃ /Si₂O₃ Form: Single Crystal Material: Ruby CAS Number: 1344-28-1 Commodity: Ceramics

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Tolerances

Single Crystal
Orientation See Item
Thickness +2% / -1%
Length +2% / -1%