new material
Sapphire window plate with a rectangular aperture is a high-performance optical component known for its exceptional hardness, superior thermal stability, and broad spectral transmission. Manufactured from crystalline sapphire (Al₂O₃), it offers outstanding optical clarity, resistance to scratches and chemical degradation, and high durability. This makes it ideal for aerospace applications, laser systems, high-temperature environments, and precision optical instruments. Its ability to withstand extreme conditions ensures long-term reliability in industrial and scientific applications.
Product Overview
The sapphire rectangular aperture window plate is made from high-quality sapphire crystals, known for their exceptional optical performance and physical properties. Sapphire's key advantages include high strength, hardness, temperature stability, and resistance to corrosion, making it capable of maintaining long-term stable performance in harsh environments. The rectangular aperture design can be customized to meet specific needs, ensuring precise light signal transmission and control. These window plates are widely used in various high-precision devices within optical systems.
Key Features
- High Hardness and Strength: Sapphire window plates possess extremely high hardness and strength, allowing them to withstand physical wear and chemical corrosion, ensuring long-term stability of optical systems.
- High Light Transmission: Sapphire material offers excellent light transmission, effectively passing light signals while reducing reflection and scattering, ensuring high-quality optical imaging.
- High-Temperature Stability: Sapphire maintains its optical performance and physical stability even under high-temperature conditions, making it suitable for use in demanding environments.
- Precision Processing and Polishing: The rectangular aperture sapphire window plate is processed and polished with high precision, ensuring a smooth, uniform surface that minimizes light loss and scattering, enhancing light transmittance.
- Custom Design: The rectangular aperture can be tailored to different application needs, offering flexible control over light transmission and optimizing optical system performance.
Applications
Sapphire rectangular aperture window plates are widely used in optical systems requiring high precision and stability, including:
- Sensors and Detectors: Used as protective windows to shield sensors from external environmental influences while ensuring stable light signal transmission.
- Infrared Imaging Systems: Used in high-precision infrared imaging systems to enhance image quality and clarity.
- Spectrometers: In spectrometers, sapphire window plates provide high-quality signal transmission, optimizing spectral analysis results.
- MOCVD Epitaxial Substrates: Used in the manufacture of high-quality epitaxial materials, ensuring the stability and performance of substrates.
- Other High-Precision Optical Systems: Suitable for various high-precision optical devices, providing excellent optical transmission performance and system stability.
| Optical Property | Value |
| Transmission Range | 0.2-5 μm |
| Refractive Index (Ne) | 1.7771 |
| Structure | Trigonal crystal system |
| Physical Property | Value |
| Density | 3.98 g/cm³ |
| Melting Point | 2030 ℃ |
| Thermal Conductivity | 25.2 W/(m·℃) |
| Thermal Expansion | 5.66×10⁻⁶ ℃⁻¹ |
| Specific Heat Capacity | 0.7610×10³ J/(kg·℃) |
| Young's Modulus | 34-37 GPa |
| Volume Elasticity Coefficient | 250 GPa |
| Poisson's Coefficient | 0.309 |
| Chemical Property | Value |
| Molecular Weight | 101.96 g/mol |
| Solubility | 98×10⁻⁶ g/L |
| 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 |
