new material
Silicon window plate with a circular aperture is a high-performance optical component designed for superior infrared transmission, exceptional thermal stability, and minimal optical distortion. Manufactured from high-purity crystalline silicon, it provides outstanding optical clarity, low refractive index, and excellent mechanical durability, making it an essential material for infrared imaging, laser optics, aerospace applications, and precision scientific instruments. Its resistance to environmental degradation ensures reliable performance in advanced optical systems.
Product Overview
The Silicon circular aperture window plate is an optical component commonly used in laser radar, optical sensors, and spectrometers. Its unique circular aperture design allows it to transmit or reflect light effectively while isolating the internal components of the instrument from the external environment, providing protection against external influences. Precision machining ensures that the surface quality and optical performance of the silicon window plate meet the required specifications for various applications.
Key Features
- High Transparency: The silicon window plate offers excellent transmission within the 1-7 μm wavelength range, making it ideal for infrared and laser transmission applications.
- Excellent Thermal Stability: Silicon demonstrates outstanding performance in high-temperature environments, making it suitable for high-energy applications such as laser radar.
- High Anti-Reflection Property: Silicon's low reflectivity enhances the optical system's transmission efficiency and reduces light loss.
- Broad Wavelength Adaptability: Silicon also provides good transmission in the far-infrared range (30-300 μm), suitable for specialized infrared optical applications.
- High Hardness and Corrosion Resistance: Silicon's high hardness and chemical stability allow it to perform reliably in harsh environments, maintaining stable performance over time.
- Precision Machining: Advanced processing and polishing techniques ensure smooth surface quality and precise optical performance.
Applications
Silicon circular aperture window plates are widely used in various high-performance optical and infrared imaging systems, particularly in the following fields:
- Laser Radar and Sensor Systems: Used as optical windows in systems to ensure stable and efficient light transmission.
- Infrared Imaging Systems and Night Vision Devices: Providing excellent transmission for infrared imaging and infrared temperature measurement instruments, commonly used in military and security fields.
- Thermal Imaging and Satellite Technology: Acting as optical windows to effectively isolate the external environment and support efficient infrared imaging.
- Scientific Research and Industrial Applications: Serving as high-performance optical components in research instruments, industrial optical equipment, and medical devices to meet specific requirements.
| Optical Property | Value |
| Transmission Range | 1.2-15 μm |
| Refractive Index | 3.41776 @ 10μm |
| Reflection Loss | 46.1% @ 10μm |
| Structure | Single crystal, synthetic |
| Cleavage Planes | <111 |
| Physical Property | Value |
| Density | 2.33 g/cm³ |
| Melting Point | 1414 ℃ |
| Thermal Conductivity | 163 W/(m·K) @ 313K |
| Thermal Expansion | 2.6 × 10⁻⁶/K @ 293K |
| Knoop Hardness | 1100 kg/mm² |
| Specific Heat Capacity | 712.8 J/(kg·K) |
| Dielectric Constant | 13 @ f = 9.37 GHz |
| Young's Modulus | 130.91 GPa |
| Shear Modulus | 79.92 GPa |
| Bulk Modulus | 101.97 GPa |
| Poisson's Coefficient | 0.266 |
| Chemical Property | Value |
| Solubility | Insoluble |
| Molecular Weight | 28.09 g/mol |
| 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 |
