Zinc Selenide (ZnSe) Windows are ideal for a wide variety of infrared applications including thermal imaging, FLIR, and medical systems. This chemically vapor deposited material has wide usage in high power CO 2 laser systems because of its low absorption coefficient and high resistance to thermal shock. Zinc Selenide (ZnSe) is a relatively soft material that scratches easily and it is not recommended in harsh enviro...
Zinc Selenide (ZnSe) Windows are ideal for a wide variety of infrared applications including thermal imaging, FLIR, and medical systems. This chemically vapor deposited material has wide usage in high power CO2 laser systems because of its low absorption coefficient and high resistance to thermal shock. Zinc Selenide (ZnSe) is a relatively soft material that scratches easily and it is not recommended in harsh environments because its Knoop Hardness is only 120. When handling, apply uniform pressure and wear Latex finger cots or gloves to prevent contamination.
1 ) Low Dispersion
2 ) Available Uncoated or AR Coated
3 ) Ideal for Thermal Imaging, FLIR, and Medical Systems
1 ) Diameter: 3~200mm
2 ) Diameter Tolerance: +/-0.2mm
3 ) Thickness Tolerance: +/-0.03mm
4 ) Aperture: >90%
5 ) Surface Quality: 60/40~10/5 (S/D)
6 ) Parallelism: <1 arc minute
7 ) Chamfer: 0.3-0.5mmx45°
8 ) Coating: AR/AR
Transmission Range | 0.6 to 21 micron |
Refractive Index | 2.4028 at 10.6 micron |
Refractive Loss | 29.1% at 10.6 micron |
Crystal/Class Structure | Cubic, ZnS, F43m |
Thermal Expansion | 7.1×10－6 /℃ at 273K |
Thermal Conductivity | 18 W m－1K－1 at 298K |
Melting Point | 1525 ℃ |
Specific Heat Capacity | 339 J Kg－1K－1 |
Density | 5.27 g/cc |
Hardness(Knoop) | 120 Knoop with 50g indenter |
Youngs Modulus | 67.2 GPa |
Bulk Modulus | 40 GPa |
Poisson Ratio | 0.28 |
Elastic Limit | 55.1 MPa(8000psi) |
Molecular Weight | 144.33 |
Solubility | 0.001g/100g water |
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