Zinc Selenide (ZnSe) Optical Material

Zinc selenide is a non-glass optical ceramic material.

Material Properties

Density5.3 g/cm3 (330 lb/ft3)

Elastic (Young's, Tensile) Modulus69 GPa (10 x 106 psi)

Light Transmission Range0.6 to 21 µm

Melting Onset (Solidus)1520 °C (2770 °F)

Poisson's Ratio0.28

Refractive Index2.5

Specific Heat Capacity340 J/kg-K

Thermal Conductivity17 W/m-K

Thermal Diffusivity9.4 m2/s

Thermal Expansion7.3 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