Material Guide
Zinc Sulfide (ZnS)
Broadband infrared material for multispectral optics and robust windows.
Material Introduction
Zinc Sulfide is widely used for multispectral optical systems where visible-to-IR coverage and environmental durability are both important.
Optical Performance
| Metric | Typical Value |
|---|---|
| Transmission Range | 0.4 - 14 um |
| Refractive Index (10 um) | ~2.20 |
| Common Grade | Cleartran / multispectral |
Applications
- Multispectral imaging windows
- Aerospace and defense sensors
- Ruggedized IR viewing ports
Comparison Notes
Compared with ZnSe, ZnS often provides broader spectral usability in visible-to-IR systems while maintaining good mechanical strength for field applications.
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