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| ZnSe |
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| OPTICAL |
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Transmission Range |
0.6 to 21.0 microns |
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Refractive Index |
2.4028 at 10 microns |
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Reflection Loss |
31.11% at 10.6 µm (2 surfaces) |
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Index of Absorption |
0.0005 cm-1 at 10.6 microns |
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Restrahlen Peak |
45.7 microns |
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dN/dT |
+61 x 10-6/°C at 10.6µm at 298K |
| |
dN/dµ = 0 |
5.5µm |
| PHYSICAL |
|
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Density |
5.27 g/cm3 |
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Melting Point |
1525°C (dissociates about 700°C) |
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Thermal Conductivity |
18 Wm-1K-1 at 298K |
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Thermal Expansion |
7.1 x 10-6/°C at 273K |
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Hardness |
Knoop 120 with 50g indenter |
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Specific Heat Capacity |
339 J kg-1K-1 |
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Young's Modulus (E) |
67.2 GPa |
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Bulk Modulus (K) |
40 GPa |
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Apparent Elastic Limit |
55.1 MPa (8,000psi) |
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Poisson Ratio |
0.28 |
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| CHEMICAL |
|
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Solubility |
0.001 g/100g water |
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Molecular Weight |
144.33 |
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Class/Structure |
HIP polycrystalline cubic, ZnS, F43m |
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