new material
Zinc selenide plano-convex lens is a high-performance optical component designed for superior infrared transmission, precise light focusing, and excellent durability. Manufactured from high-purity ZnSe, it offers outstanding optical clarity, minimal optical distortion, and strong resistance to environmental conditions. This precision lens is widely used in infrared imaging, laser optics, aerospace applications, and scientific research, ensuring optimal optical performance for advanced optical systems.
Product Overview
The zinc selenide (ZnSe) plano-convex lens is an optical component made from zinc selenide, designed with one flat surface and one convex surface, offering a positive focal length. This lens effectively focuses light to a single point and is widely used for focusing or collimating in the mid-wave infrared (MWIR) and long-wave infrared (LWIR) spectral ranges. Zinc selenide offers low dispersion, low absorption, and excellent thermal shock resistance, making it an ideal material for thermal imaging systems and infrared imaging applications.
Key Features
- Low Dispersion and Low Absorption: Excellent optical transmittance, particularly suitable for infrared spectroscopy.
- Thermal Resistance: Exceptional thermal shock resistance, suitable for high-temperature applications.
- High Hardness: Zinc selenide has high hardness, making it ideal for use in high-power laser systems.
- Precision Manufacturing: Manufactured using precise machining and polishing processes to ensure excellent surface quality and optical performance.
- Coating Options: Anti-reflective coatings are available upon request to further optimize optical performance.
Applications
- Thermal Imaging Systems: Used for thermal imaging in the mid-wave and long-wave infrared spectrums.
- Laser Systems: Serves as a beam shaping and collimating lens, especially suited for high-power laser applications.
- Infrared Optical Systems: Used for focusing and collimating light in the mid and long infrared wavelength ranges.
- Spectroscopic Instruments: Enhances light transmission in infrared spectroscopic analysis.
- Optical Instruments: A key optical element in a variety of devices, including lasers, spectrometers, and other optical equipment.
| Physical Property | Value |
| Crystal Structure | Cubic |
| Density | 5.27 g/cm³ |
| Resistivity | ~10¹² Ω·cm |
| Melting Point | 1525 ℃ |
| Chemical Purity | 100.00% |
| Thermal Expansion | 7.1×10⁻⁶ @ 273K |
| 7.8×10⁻⁶ @ 373K | |
| 8.3×10⁻⁸ @ 473K | |
| Thermal Conductivity | 18.0 W/(m·K) @ 298K |
| Specific Heat Capacity | 0.339 J/(g·K) @ 298K |
| Knoop Hardness | 110 kg/mm² |
| Bending Strength | 55 MPa |
| Young's Modulus | 67.2 GPa |
| Poisson's Coefficient | 0.28 |
| Optical Property | Value |
| Transmission Range | 0.5-22 μm |
| Refractive Index Inhomogeneity | <3×10⁻⁶ @ 632.8μm |
| Absorption Coefficient | 5.0×10⁻³ /cm @ 1300nm |
| 7.0×10⁻⁴ /cm @ 2700nm | |
| 4.0×10⁻⁴ /cm @ 3800nm | |
| 4.0×10⁻⁴ /cm @ 5250nm | |
| 5.0×10⁻⁴ /cm @ 10600nm | |
| Thermal Light Coefficient | 1.07×10⁻⁴ @ 632.8nm |
| 7.0×10⁻⁵ @ 1150nm | |
| 6.2×10⁻⁵ @ 3390nm | |
| 6.1×10⁻⁵ @ 10600μm | |
| 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 |
