Custom Scratch Resistance Sapphire Optical Substrate For IR Windows
1. Material
- Sapphire Crystal:
- Composition: Aluminum Oxide (Al₂O₃).
- Characteristics: Renowned for its hardness (second only to diamond on the Mohs scale), excellent thermal conductivity, and chemical inertness.
2. Property
- Scratch Resistance:
- Surface Durability: Enhanced through specialized treatments or coatings to resist abrasions and scratches, maintaining optical clarity over extended use.
- Hardness: High hardness ensures resistance to mechanical damage.
- Optical Clarity:
- Transparency: High transmittance across a wide spectral range, including infrared (IR).
- Low Absorption: Minimal absorption of light, preserving signal integrity in IR applications.
3. Function
- Optical Substrate:
- Base Material: Serves as the foundational layer upon which optical coatings and films can be applied.
- Dimensional Stability: Maintains precise geometric shape and flatness, critical for optical performance.
- IR Window Compatibility:
- Transmission Spectrum: Designed to transmit IR radiation efficiently, enabling use in IR imaging and sensing systems.
- Thermal Management: Effective heat dissipation properties support stable operation in high-temperature environments.
4. Application
- Infrared Imaging Systems:
- Night Vision Devices: Used in military, law enforcement, and surveillance applications for enhanced visibility in low-light conditions.
- Thermal Imaging Cameras: Essential in industrial monitoring, fire detection, and medical diagnostics.
- Aerospace and Defense:
- Missile Guidance Systems: Critical component in seeker heads for accurate target acquisition and tracking.
- Space Optics: Utilized in satellites and spacecraft for Earth observation and communication.
- Scientific Instrumentation:
- Spectrometers and Analyzers: Facilitates precise measurement and analysis of IR spectra in research and development.
| Name | Glass disc, Glass substrate, Sight glass |
| Raw material | Optical glass, sapphire, quartz glass |
| Diameter Tolerance | +0/-0.2 mm |
| Thickness Tolerance | +/-0.2 mm |
| Processed | By Cutting,Grinding, Polishing |
| Working temperature | Resisting high temperature shock |
| Surface Quality | 80/50,60/40,40/20 |
| Material Quality | No scratches and air bubble |
| Transmission | >90% for visible light |
| Chamfer | 0.1-0.5 mm x 45 degree |
| Surface Coating | Available |
| Usage | Photography, Lighting system, industrial area. |
