Ruby Single Crystal

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.

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Tolerance

Properties

Reference & Citations

each

Tolerances

Single Crystal

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

Material Properties for Ceramics

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