Sapphire Optical Windows Customizable 99.99% Al₂O₃ High Transparency for Laser Windows
Sapphire windows are made from single-crystal aluminum oxide (Al₂O₃), characterized by high hardness, excellent transparency, high-temperature resistance, and corrosion resistance. They are widely used in optical systems and harsh environments. Naturally occurring as corundum, this material can be finely processed to produce high-quality optical windows.
Basic Parameters Table
| Parameter | Value/Description |
| Material | Sapphire (Al₂O₃), single-crystal form |
| Transmission Range | 0.2–5.5 μm (covers visible to infrared light) |
| Hardness | Mohs hardness 9 (second only to diamond) |
| Temperature Resistance | Withstands temperatures exceeding 2000°C |
| Corrosion Resistance | Highly resistant to acids, alkalis, and solvents |
| Transmittance | >80% in visible light; >90% in infrared range |
| Dimensions & Tolerance | Customizable (e.g., diameters: 8", 6"; thickness tolerance: ±0.1 mm) |
| Surface Quality | High smoothness achievable (e.g., 40-20 or other standards) |
| Applications | Laser systems, optical sensors, high-temperature/pressure devices, aerospace, architecture, automotive |
Sapphire Optical Windows Features & Advantages
- High Hardness and Wear Resistance: Sapphire (Al₂O₃) is the second hardest material on Earth after diamond, with a Mohs hardness of 9, ensuring exceptional wear resistance.
- Excellent Transparency: Sapphire windows typically exhibit over 80% transmittance in the visible spectrum and exceeding 90% in the near- to mid-infrared range.
- High Temperature Resistance: Capable of remaining stable at temperatures up to 2000°C, making it suitable for high-temperature applications.
- Strong Corrosion Resistance: Highly resistant to acids, alkalis, and various solvents, ideal for use in corrosive environments.
Sapphire Optical Windows Application Fields
-
Laser Systems: Withstand high-power laser beams, serving as optical windows in laser devices.
-
Optical Sensors and Instruments: Protect sensors in harsh environments to ensure data accuracy; also used in precision optical instruments.
-
High-Temperature and High-Pressure Equipment: Maintain clear visibility for observation and monitoring in extreme process conditions.
-
Aerospace and Aviation: Used in aircraft cockpit windows due to their high strength and weather resistance.
-
Architecture and Automotive Industries: Employed in large glass curtain walls, skylights, and high-end car side windows for their strength, aesthetics, and transparency.
Related Sapphire Optical Windows Recommendations
1. Custom Monocrystalline Sapphire Optical Domes Sapphire Protective Window
Q1: Why choose a sapphire optical window over other materials?
A1: Sapphire optical windows offer exceptional hardness (Mohs 9), high thermal stability (up to 2000°C), and broad-spectrum transparency (UV to mid-IR), making them ideal for harsh environments like laser systems and high-temperature applications.
Q2: What are the key applications of sapphire optical windows?
A2: They are widely used in high-power laser systems, optical sensors, aerospace windows, and industrial equipment due to their durability, chemical inertness, and ability to maintain performance under extreme conditions.
Tag: #Sapphire Optical Windows, #Customizable, #99.99% Al₂O₃, #High Transparency, #Laser Windows,# Wear Resistance, #High Hardness, #Mohs hardness 9
