new material
Zinc sulfide aspheric lens is a high-performance optical component designed for superior infrared transmission, minimized spherical aberration, and enhanced imaging accuracy. Manufactured from high-purity ZnS, it provides exceptional optical clarity, excellent mechanical durability, and precise beam focusing. This advanced lens is widely used in infrared imaging systems, laser optics, aerospace applications, and precision scientific instruments, ensuring optimal optical performance for demanding environments.
Product Overview
The Zinc Sulfide (ZnS) aspheric lens is made from high-purity Zinc Sulfide, a wide bandgap semiconductor material, particularly suitable for infrared (IR) optical systems. Zinc Sulfide exhibits high transmission, excellent mechanical properties, and chemical stability, making it widely used in high-precision optical systems such as lasers, telescopes, and microscopes. The surface of the lens is specially designed to effectively correct spherical aberrations, optimize light propagation, and enhance focusing, leading to improved image quality. Compared to traditional spherical lenses, the ZnS aspheric lens offers more precise beam control, ensuring superior imaging performance.
Key Features
- High Transmission: Maintains high transmission across a wide spectral range, especially effective in the infrared (IR) wavelength range.
- Excellent Optical Performance: Effectively reduces light scattering, improving the imaging quality of optical systems.
- High Refractive Index and Dispersion: Capable of producing lenses with special optical effects.
- Good Thermal and Chemical Stability: Performs stably even in high-temperature and harsh environmental conditions.
- Good Mechanical Properties: High wear resistance and good machinability, adaptable to various optical design needs.
- Resistant to Physical and Chemical Corrosion: Zinc Sulfide material is highly durable, resistant to physical and chemical erosion, ensuring long-term use.
Applications
- Laser Systems: Used in laser beam shaping, optical collimation, and other applications.
- Telescopes and Microscopes: Enhances precision and imaging quality in optical systems.
- High-Precision Optical Systems: Key component in high-end optical instruments to improve imaging effects.
- Infrared Optical Applications: Particularly suited for IR optical systems, such as infrared sensors and thermal imaging devices.
- Optical Instruments: Used in the manufacture of various high-precision optical instruments and lenses to meet specific optical requirements.
| Physical Property | CVD Zinc Sulfide | Multispectral CVD Zinc Sulfide |
| Density | 4.09 g/cm³ | 4.09 g/cm³ |
| Resistivity | ~10¹² Ω·cm | ~10¹¹ Ω·cm |
| Melting Point | 1827 ℃ | - |
| Chemical Purity | 100.00% | 100.00% |
| Thermal Expansion | 6.6×10⁻⁶ @ 273K | 6.3×10⁻⁶ @ 273K |
| 7.3×10⁻⁶ @ 373K | 7.0×10⁻⁶ @ 373K | |
| Thermal Conductivity | 16.7 W/(m·K) @ 298K | 27.2 W/(m·K) @ 298K |
| Specific Heat Capacity | 0.469 J/(g·K) @ 298K | 0.515 J/(g·K) @ 298K |
| Knoop Hardness | 200-235 kg/mm² | 160 kg/mm² |
| Bending Strength | 103 MPa | - |
| Young's Modulus | 74.5 GPa | 74.5 GPa |
| Poisson's Coefficient | 0.29 | 0.29 |
| Optical Property | CVD Zinc Sulfide | Multispectral CVD Zinc Sulfide |
| Transmission Range | 1-14 μm | 0.37-14 μm |
| Refractive Index Inhomogeneity | <7.3×10⁻⁴ @ 10.6μm | <0.2×10⁻⁴ @ 632.8nm |
| Absorption Coefficient | 0.2 /cm @ 10.6μm | 0.2 /cm @ 10.6μm |
| Thermal Light Coefficient | 4.6×10⁻⁵ @ 1150nm | 5.43×10⁻⁵ @ 632.8nm |
| 4.3×10⁻⁵ @ 3390nm | 4.21×10⁻⁵ @ 1150nm | |
| 4.1×10⁻⁵ @ 10.6μm | 3.87×10⁻⁵ @ 3390nm |
| CVD Zinc Sulfide - Refractive Index and Wavelength | |||
| Wavelength (nm) | Refractive Index (n) | Wavelength (nm) | Refractive Index (n) |
| 620 | 2.355 | 9800 | 2.203 |
| 1000 | 2.292 | 10600 | 2.192 |
| 3800 | 2.253 | 11400 | 2.18 |
| 5000 | 2.246 | 12200 | 2.167 |
| 7000 | 2.232 | 13800 | 2.132 |
| 9000 | 2.212 | 14200 | 2.126 |
| 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 | 13000 | 2.153 |
| Property | Value |
| Diameter Range | 2-300mm |
| Focal Length | 15-5000mm |
| Thickness | 0.12-60mm |
| Surface Quality | 80-50, 60-40, 40-20, 20-10, 10-5 |
| Surface Flatness | λ/2, λ/4, λ/8, λ/10 |
| Clear Aperture | >90% |
| Coating | Customizable |
