Erbium Rod

Erbium Rod is a high-purity, cylindrical form of the rare-earth element erbium, valued for its exceptional optical emission at 1.54 μm, magnetic characteristics, and stability in air. The rod geometry offers structural integrity and ease of machining, making it suitable for use as a bulk material in precision optical systems, as feedstock for laser gain media, and as a structural component in high-performance devices. Industries such as photonics, advanced materials manufacturing, and quantum technology employ erbium rods for applications including fabrication of solid-state laser elements, gain media for fiber lasers, and components in optical amplifiers. Erbium rods can also be used in research on magnetic refrigeration materials and photonic bandgap devices. In research and industrial settings, Erbium Rod combines the intrinsic benefits of erbium’s rare-earth properties with a form optimized for dimensional stability, making it a key material for high-power laser assemblies and advanced optical engineering.

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Tolerance

Properties

Reference & Citations

Flammable

each

Tolerances

Rod

Diameter	=<10mm	±10%
Diameter	>10mm	±5%

Material Properties for Metals

Atomic Properties

Element	Value
Atomic number	68
Crystal structure	Hexagonal close packed
Electronic structure	Xe 4f¹² 6s²
Valences shown	3
Atomic weight( amu )	167.26
Thermal neutron absorption cross-section( Barns )	160
Natural isotope distribution( Mass No./% )	166/ 33.4
Natural isotope distribution( Mass No./% )	162/ 0.1
Natural isotope distribution( Mass No./% )	168/ 27.0
Natural isotope distribution( Mass No./% )	170/ 15.0
Natural isotope distribution( Mass No./% )	167/ 22.9
Natural isotope distribution( Mass No./% )	164/ 1.6
Atomic radius - Goldschmidt( nm )	0.175
Ionisation potential( No./eV )	2/ 11.93
Ionisation potential( No./eV )	1/ 6.10

Mechanical Properties

Element	Value
Material condition	Polycrystalline
Poisson's ratio	0.207
Bulk modulus( GPa )	41.8
Tensile modulus( GPa )	73.3
Hardness - Vickers( kgf mm⁻² )	70
Tensile strength( MPa )	292
Yield strength( MPa )	292

Electrical Properties

Element	Value
Electrical resistivity( µOhmcm )	86@20@20°C
Temperature coefficient( K⁻¹ )	0.00201@0-100°C

Physical Properties

Element	Value
Boiling point( C )	2863
Density( gcm⁻³ )	9.051@20°C

Thermal Properties

Element	Value
Melting point( C )	1529
Latent heat of evaporation( J g⁻¹ )	1680
Latent heat of fusion( J g⁻¹ )	103
Specific heat( J K⁻¹ kg⁻¹ )	168@25°C
Thermal conductivity( W m⁻¹ K⁻¹ )	14.5@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	9.2@0-100°C