new material
Zinc selenide window plate with a circular aperture is a high-performance optical component designed for superior infrared transmission, exceptional chemical stability, and minimal absorption. Manufactured from high-purity ZnSe, it provides outstanding optical clarity, making it an essential material for infrared imaging systems, laser optics, aerospace applications, and precision scientific instruments. Its resistance to thermal fluctuations and environmental degradation ensures long-term reliability in demanding optical environments.
Product Overview
The Zinc Selenide circular aperture window plate is a high-performance optical component made from Zinc Selenide (ZnSe) material with a circular aperture design. It is commonly used in optical systems as a protective window for sensors, allowing light to pass through and interact with the sensor while protecting the internal components. Designed to provide stable optical performance and excellent transparency, this optical element is particularly suitable for infrared optical systems.
Key Features
- High Transparency: Zinc Selenide offers exceptional light transmission, particularly in the infrared spectrum (0.6–20μm), ensuring efficient performance in infrared applications such as thermal imaging and spectroscopy.
- High Stability: Zinc Selenide window plates exhibit excellent thermal stability, capable of maintaining performance in harsh environmental conditions, ensuring long-term stability of optical systems.
- High Laser Damage Threshold: This optical element can withstand high-power laser exposure without degradation, making it ideal for use in high-power laser systems.
- Low Absorption: With a low absorption rate, Zinc Selenide ensures high transmission efficiency, especially in the infrared range, providing minimal loss of light energy.
- Strong Mechanical Strength: Zinc Selenide material has strong resistance to impact and wear, making it well-suited for complex and demanding optical applications.
Applications
The Zinc Selenide circular aperture window plate, with its excellent optical properties and high durability, is widely used in the following fields:
- Infrared Optical Systems: Due to its superior transparency in the infrared spectrum, Zinc Selenide is commonly used in infrared windows, lenses, prisms, and other components, particularly in infrared spectrometers, thermal imaging systems, and laser systems.
- Laser Applications: With its high laser damage threshold, Zinc Selenide window plates are ideal for use in high-power lasers and laser systems, ensuring efficient operation in laser-based applications.
- Optical Instruments: Zinc Selenide window plates serve as protective windows in optical instruments such as spectrometers, electronic sensors, and other high-precision optical devices, blocking external interference while ensuring efficient light transmission.
- Sensor Protection: These window plates are widely used to protect sensitive optical components in sensors, allowing the required light spectrum to pass through while shielding the internal system from environmental influences.
| 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 |
