16 years of serving high-end industries
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 | Zinc selenide is a material of choice for IR optics, substrates, scintillators and electro-optical modulators. |
| Structure: | Cubic (zincblende) | | Density | 5.264 g/ cm3 | | Hardness | 105 kg/ mm2 | | Flexural Strength (4pt bending) | 7500 psi | | Young’s Modulus | 10.2 Mpsi | | Poisson Ratio | 0.28 | | Coefficient of thermal expansion | 7.1×10−6/K | | Specific Heat | 0.339 J/gK | | Thermal conductivity | 0.16 W/cmK | | Eg at 295 K | 2.67 eV | | Dielectric Constant | 8.976 | | Max. Transmittance (λ=2.5-15 μm) | ≥70.5 % | | Absorption Coefficient (λ=10.6 μm) | (1-2)×10-3 cm-1 (including 2 surfaces) | | Damage threshold (λ=10.6 μm) | ≥100 kWt/cm2 | | Thermo-Optic Coef. (dn/dT) | 6.1 ( λ=10.6 μm) | | Refractive index (λ=10.6 μm) | 2.4 | | Electrooptical coefficient r41 (λ=10.6 μm) | 2.2×10-12 m/V | | γ-radiation tolerance dose | > 106 J/kg |
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ZnSe rods, wafers, windows and lenses |
| Diameter/Width | 1-50 mm | | Thickness/length | 0.1-150 mm | | Orientation | (110), (111) | | Surface quality | As-grown, as-cut, 80/50, 60/40, 40/20 per MIL-0-13830 |
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ZnSe crystal pieces for vapour deposition |
| Purity | 99.99%, 99.999% | | Particle size | 0.01- 10 mm |
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