new material
Zinc selenide window plate with a rectangular aperture is a high-performance optical component designed for superior infrared transmission, low absorption, and chemical stability. Manufactured from ZnSe, this material provides outstanding optical clarity, making it ideal for laser systems, infrared imaging, aerospace applications, and scientific instrumentation. Its durability, resistance to environmental factors, and broad spectral range ensure reliable performance in demanding optical and industrial environments.
Product Overview
The zinc selenide rectangular aperture window plate is an optical component made from high-purity zinc selenide, commonly used in optical systems as a protective window for sensors. It offers excellent optical performance, transmitting light across the visible and infrared wavelengths while isolating external environmental influences, thus protecting internal components of optical systems. With its high transmittance and low absorption, zinc selenide is particularly advantageous for infrared optical applications, including LiDAR, optical sensors, and spectrometers.
Key Features
- High Transmittance: Zinc selenide has excellent optical performance, particularly in the infrared region, allowing transmission of a wide range of wavelengths and making it ideal for infrared optical applications.
- High Anti-Reflection Properties: Zinc selenide has low reflectance, reducing optical losses and improving system signal transmission efficiency.
- Excellent Thermal Stability: Zinc selenide offers excellent thermal stability, allowing it to function reliably in high-temperature environments.
- High Laser Damage Threshold: The material can withstand high laser power, making it suitable for high-power laser systems.
- Customizable Rectangular Aperture: The size and shape of the rectangular aperture can be tailored to meet the specific needs of different optical systems, ensuring precise performance for various applications.
Applications
Zinc selenide rectangular aperture window plates are widely used in multiple optical fields, especially in applications that require precise beam control and stable performance:
- LiDAR (Laser Detection and Ranging): Used as a protective window in LiDAR systems to ensure efficient light beam transmission.
- Optical Sensors: Protects optical sensors and allows light to pass through, ensuring stable and accurate signal transmission.
- Spectrometers: Used in spectrometers for efficient light transmission, ensuring high-quality spectral analysis.
- Infrared Optical Systems: Due to its excellent infrared optical properties, zinc selenide is commonly used in infrared imaging and infrared spectroscopy systems.
- High-Power Laser Systems: Zinc selenide window plates can withstand high laser intensities, making them ideal for high-power laser systems and applications that require robust optical components.
| 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 |
| Parameter | Range |
| Diameter Range | 2-300 mm |
| Thickness | 0.12-60 mm |
| Surface Finish | 80-50, 60-40, 40-20, 20-10, 10-5 |
| Surface Accuracy | λ/2, λ/4, λ/8, λ/10 |
| Parallelism | <3' - 30" |
| Aperture Transmission | >90% |
| Coating | Customizable |
