Zinc Selenide
ZnSe: zinc selenide is yellow to red in appearance and commonly used as an infrared optical material.
Specifications
| Shape | Color | Purity | Package | Storage | ||
|---|---|---|---|---|---|---|
| PVD ZnSe Wafer Bank | Dia. 12-50 mm | Orange Transparent | 99.99% | Packed with soft paper 1 Kg/Bag | Avoid exposure to sunlight & acid Keep dry |
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| Dia. & Thickness Upon demand |
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| Crystal | Granule | 1-40 mm | ||||
| Powder | ≥ 200 mesh | |||||
Characteristics of zinc selenide
| CAS Number | Density (g/cm3) | Boiling point (Cº) | Melting point (Cº) | Refractive index at 550 (nm) | Transparency range (µm) | Evaporation source |
|---|---|---|---|---|---|---|
| 1315-09-9 | 5.27 | / | 1520 | 2.58 | 0.5-22 | E; B(Ta, Mo) |
| Applications | PVD Wafer Bank: Infrared & laser lens Crystal: Infrared film coating |
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Evaporation technique
It can be thermally evaporated from a tantalum or molybdenum boat.
It can also be evaporated by electron beam with a tantalum or molybdenum crucible liner.
It is evaporated in a dedicated vacuum chamber due to its high vapor pressures at low temperature.