Multispectral CVD zinc sulfide (ZnS) is a high-performance optical material synthesized using chemical vapor deposition to achieve exceptional purity, uniformity, and multispectral transparency. Known for its superior transmission across visible, infrared, and thermal wavelengths, it features high mechanical strength, environmental stability, and excellent optical clarity. This advanced ZnS variant is widely used in infrared windows, laser optics, defense applications, aerospace imaging, and precision scientific instrumentation, ensuring reliable optical performance across a broad spectral range.
Product Overview:
Multispectral CVD Zinc Sulfide is a high-purity zinc sulfide material produced via the Chemical Vapor Deposition (CVD) method. It offers an extensive transmission range, from visible light to long-wave infrared (8-12μm) and even into the microwave spectrum. This material is one of the few infrared optical materials with transmission capabilities across such a broad range. After undergoing Hot Isostatic Pressing (HIP), it displays superior optical performance, mechanical strength, and excellent thermal stability, making it ideal for various optical applications. Multispectral CVD ZnS is particularly suited for infrared optical systems, such as infrared windows, domes, and other optical components.
Key Features:
- Wide Transmission Range:Offers high transmittance from 600nm to 10μm, making it ideal for both visible and infrared optical systems.
- High Hardness and Fracture Strength:Exceptional mechanical strength and resistance to harsh environmental conditions, providing durability in extreme settings.
- Superior Refractive Index Uniformity:Ensures stable image transmission performance across diverse applications.
- Excellent Physical Properties:High thermal conductivity, specific heat, and linear expansion coefficient, ensuring stable performance in varied temperature environments.
- Versatile Machining Shapes:Supports a wide range of custom shapes, including round, rectangular, wedge, spherical apertures, and prisms, offering flexibility for different design needs.
Applications:
- Infrared Optical Systems:Used for manufacturing infrared lenses, windows, domes, and other optical components, widely utilized in infrared imaging, infrared detection, and optical communication systems.
- Military and Aerospace:Suitable for missile domes and infrared windows for aircraft, designed to withstand high-intensity conditions.
- Scientific Research:Ideal for optical sensors, infrared spectrometers, and various infrared detectors used in research and development.
- High-End Optical Instruments:Provides stable image transmission and reliable optical performance in advanced infrared optical systems.
Physical Property | Multispectral CVD Zinc Sulfide |
Density | 4.09 g/cm³ |
Resistivity | ~10¹¹ Ω·cm |
Melting Point | - |
Chemical Purity | 100.00% |
Thermal Expansion | 6.3×10⁻⁶ @ 273K |
7.0×10⁻⁶ @ 373K | |
Thermal Conductivity | 27.2 W/(m·K) @ 298K |
Specific Heat Capacity | 0.515 J/(g·K) @ 298K |
Knoop Hardness | 160 kg/mm² |
Bending Strength | - |
Young's Modulus | 74.5 GPa |
Poisson's Coefficient | 0.29 |
Optical Property | Multispectral CVD Zinc Sulfide |
Transmission Range | 0.37-14 μm |
Refractive Index Inhomogeneity | <0.2×10⁻⁴ @ 632.8nm |
Absorption Coefficient | 0.2 /cm @ 10.6μm |
Thermal Light Coefficient | 5.43×10⁻⁵ @ 632.8nm |
4.21×10⁻⁵ @ 1150nm | |
3.87×10⁻⁵ @ 3390nm | |
Property | Value |
Material Name | Zinc Sulfide Multispectral |
Available Size | 3-200mm |
Growing Method | CVD (Chemical Vapor Deposition) |
Transmittance Range | 0.37-14渭m |
Blank Shape | Round, rectangular, wedge, lens, step drilled, special-shaped |
Multispectral CVD Zinc Sulfide - Refractive Index and Wavelength | |||
Wavelength (nm) | Refractive Index (n) | Wavelength (nm) | Refractive Index (n) |
400 | 2.545 | 8000 | 2.223 |
1010 | 2.292 | 9000 | 2.213 |
2060 | 2.264 | 10000 | 2.201 |
3500 | 2.255 | 11250 | 2.183 |
4500 | 2.25 | 12000 | 2.171 |
5000 | 2.247 |