CVDZnS (Chemical Vapor Deposition Zinc Sulfide) is a high-performance optical material renowned for its superior infrared transmission, chemical stability, and mechanical durability. Produced through controlled vapor deposition, CVDZnS exhibits excellent thermal resistance and minimal optical distortion, making it an essential material for aerospace optics, defense applications, infrared imaging systems, and precision optical components. Its ability to withstand harsh environmental conditions ensures long-term reliability in advanced optical and industrial solutions.
Product Overview
CVDZnS (Chemical Vapor Deposition Zinc Sulfide) is an important infrared window material, widely used in various infrared optical systems. Its transmission spectrum spans from visible light to long-wave infrared (0.4–14μm), offering excellent optical transmittance, strong mechanical strength, and good environmental stability. CVDZnS products are commonly used in infrared security alarms, infrared radiation thermometers, medical equipment, resource exploration, and meteorological forecasting applications. Based on different application needs, CVDZnS products are available in multiple series, including Standard CVDZnS, Multispectral ZnS, and Elemental ZnS, to meet different wavelength, temperature, and environmental requirements.
Key Features
- Wide Transmission Spectrum: From visible light to long-wave infrared (0.4–14μm), meeting various infrared application needs.
- Excellent Optical Transmission Performance: Standard CVDZnS has outstanding optical transmittance in the long-wave infrared (8-12μm).
- Multispectral Performance: Multispectral ZnS products offer excellent optical transmittance, covering the full spectrum (0.4–14μm).
- High-Temperature Durability: Elemental ZnS provides good infrared transmittance at high temperatures, with operating temperatures up to 400°C and above.
- Good Mechanical Properties and Environmental Stability: Resistant to harsh environments with high mechanical strength and thermal shock resistance.
- Customizable Sizes: Available in various sizes and shapes to meet specific application needs.
Applications
- Infrared Security Alarms: Used in infrared detection and security monitoring devices, improving system reliability.
- Infrared Radiation Thermometers: Widely used in temperature measurement and thermal imaging systems.
- Infrared Medical Equipment: Used in infrared imaging systems and medical diagnostic devices.
- Resource Exploration: Applied in infrared optical equipment for mineral exploration, oil exploration, etc.
- Meteorological Forecasting: Used in optical components for meteorological satellites and detectors.
- Agricultural Yield Estimation: Applied in remote monitoring systems for agriculture.
- Scientific Research and Military: Important applications in scientific research and military infrared optical systems.
No. | Property | Standard CVD ZnSe | Elemental ZnSe | Multispectral CVD ZnSe |
1 | Wavelength Range (μm) | 8~12 | 2.5-12 | 5~12 |
2 | Transmittance | >70% | >72% | >72% |
3 | Density (g/cm³) | 4.09 | 4.09 | 4.09 |
4 | Knoop Hardness (kg/mm²) | 200-235 | >210 | >160 |
5 | Flexural Strength (MPa) | 103 | 106 | 68 |
6 | Poisson's Ratio | 0.29 | 0.29 | 0.28 |
7 | Thermal Conductivity (W/(m·K)) | 16.7 | 16.8 | 27.2 |
8 | Thermal Expansion Coefficient (×10⁻6/K) | 7.7 (473K) | 7.2 (473K) | 7 |