Formula ZnSe
Growth Method Chemical vapour deposition
Max. sizes, (mm) Ø100
Transmission range, (µm)
(Thickness 10 mm)
0.55 – 18.0
Structure cubic
Density (g/cm3) 5.26
Melting point (°C 1520
Hardness (Mohs) 4
Thermal expansion coefficient (10-6/K) 6.4 -7.6
Thermal conductivity (W m-1K-1) 16.9
Specific heat capacity (J kg-1K-1) 355
Solubility in water (g/100 cm3) insoluble
Solubility in acids soluble
Solubility in organic solvents insoluble
Wavelength (µm)
Refractive index
1.0
3.0
5.0
10.0
12.0
15.0
2.4894
2.4376
2.4296
2.4067
2.3936
2.3662
Absorption coefficient (cm-1) 0.005 at 10.6 µm