Cadmium Telluride (CdTe) Optical Material

Cadmium telluride is a non-glass optical ceramic material.

Material Properties

Density5.9 g/cm3 (370 lb/ft3)

Elastic (Young's, Tensile) Modulus45 GPa (6.5 x 106 psi)

Knoop Hardness45

Light Transmission Range1.0 to 25 µm

Melting Onset (Solidus)1090 °C (1990 °F)

Poisson's Ratio0.41

Refractive Index2.6

Specific Heat Capacity210 J/kg-K

Thermal Conductivity5.0 W/m-K

Thermal Diffusivity4.0 m2/s

Thermal Expansion5.9 µm/m-K

The length of each bar compares the given value to the highest value in the database.

Further Reading

Handbook of Optical Constants of Solids, Edward D. Palik (editor), 1998

Handbook of Optical Materials, Marvin J. Weber, 2003

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