Fused silica window plate with a circular aperture is a high-performance optical component known for its exceptional purity, superior ultraviolet and infrared transmission, and outstanding thermal stability. Manufactured from high-purity silica, it offers excellent optical clarity, chemical resistance, and durability, making it ideal for laser systems, spectroscopy, aerospace applications, and precision scientific instruments. Its low refractive index and minimal optical distortion ensure reliable performance in demanding optical environments.
Product Overview
The fused silica circular aperture window plate is a high-performance optical component made from fused silica material, featuring a circular aperture design. This optical element is commonly used in optical systems as a protective window or part of a lens assembly. Fused silica offers excellent optical properties, such as high transparency, low refractive index, and low dispersion, making it particularly suitable for infrared optical systems and high-temperature applications. The material’s properties, enhanced by high-temperature fusion processing, ensure exceptional light transmission and thermal stability, maintaining optical performance in harsh environments.
Key Features
- High Transparency: Fused silica has exceptional light transmission capabilities, providing high throughput across the ultraviolet to infrared spectrum, ensuring efficient light transmission in optical systems.
- Low Refractive Index & Low Dispersion: The low refractive index and low dispersion characteristics of fused silica minimize optical distortions as light passes through, improving system efficiency and clarity.
- High Chemical & Thermal Stability: Fused silica exhibits outstanding chemical and thermal stability, maintaining optical performance even in high-temperature environments, making it ideal for use in challenging conditions.
- High Laser Damage Threshold: With a high resistance to laser damage, fused silica is suitable for use in high-power laser systems, offering protection without compromising optical integrity.
- Excellent Mechanical Properties: Fused silica has high hardness and wear resistance, allowing the window plate to withstand physical impacts and extend the operational lifespan of optical systems.
Applications
The fused silica circular aperture window plate is widely used in various optical systems and devices, with notable applications in:
- Laser Systems: Used as a protective window in laser systems, the fused silica window plate ensures the protection of internal components while maintaining high-efficiency light transmission for laser beams.
- Optical Instruments: In optical instruments such as microscopes and spectrometers, fused silica window plates protect sensors and other optical components, ensuring the stability and reliability of the system.
- Infrared Optical Systems: Due to its superior transparency, fused silica is ideal for use in infrared optical systems, often found in infrared sensors and imaging devices.
- High-Temperature Applications: Fused silica’s excellent thermal stability makes it well-suited for high-temperature applications, such as high-temperature testing and industrial monitoring systems, where it can maintain performance in extreme conditions.
Optical Property | Value |
Transmission Range | 0.18-2.1 μm |
Refractive Index (@0.5876μm) | 1.4585 |
Physical Property | Value |
Density | 2.21 g/cm³ |
Melting Point | 1900 ℃ |
Thermal Conductivity | 1.35 W/(m·℃) |
Thermal Expansion | 4.0×10⁻⁶ ℃⁻¹ |
Specific Heat Capacity | 0.728×10⁻³ J/(Kg·℃) |
Young's Modulus | 7.36 GPa |
Shear Modulus | 3.14 GPa |
Poisson's Coefficient | 0.17 |
Chemical Property | Value |
Solubility | Insoluble |
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 |