Product Overview
The sapphire light guide block is precision-engineered from single crystal Al₂O₃. It offers high optical transparency, thermal resistance, and mechanical durability. Designed to guide, shape, or distribute light efficiently in LED, laser, and sensor systems. It supports high-power applications and harsh operating environments.
Material Properties
Crystal Composition
High purity Al₂O₃ (≥ 99.999%) ensures minimal absorption and low defect density.
Optical Performance
Transparent from ultraviolet to infrared wavelengths.
Provides uniform light propagation and minimal scattering.
Thermal Stability
Withstands high temperatures without deformation.
Supports continuous LED or laser operation.
Mechanical Strength
High hardness (Mohs 9) resists scratching, bending, and impact.
Stable for precision assembly and repeated handling.
Chemical Resistance
Resistant to acids, bases, and plasma environments.
Suitable for deposition, etching, and high-temperature processing.
Technical Specifications (Typical)
| Parameter | Value / Range | Description |
|---|---|---|
| Material | Al₂O₃ | Single crystal sapphire |
| Shape | Rectangular or custom | Standard or tailored geometry |
| Dimensions | 5 mm – 50 mm | Custom sizes available |
| Surface Finish | Polished | Optical-grade polish, Ra ≤ 0.3 nm |
| Crystal Orientation | C-plane or optional | Ensures uniform optical properties |
| Transmission | 200 – 2000 nm | Wide spectral transparency |
| Thermal Conductivity | High | Efficient heat dissipation |
| Hardness | 9 Mohs | Scratch-resistant and durable |
Custom dimensions, orientations, and surface treatments can be provided on request.
Key Features
Efficient Light Guiding
High transparency and polished surfaces ensure minimal loss.
Durable and Stable
Withstands mechanical, thermal, and chemical stress.
Customizable
Shape, size, and surface finish can be tailored for specific applications.
High-Precision Fabrication
Polished surfaces and controlled geometry allow predictable light propagation.
Applications
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LED Systems: High-power LED light guides and beam shaping.
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Laser Devices: Optical beam delivery and alignment.
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Sensors and Photonics: Light routing, detection, and optical coupling.
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Scientific Research: Laboratory experiments and optical studies.
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Harsh Environment Optics: Aerospace, industrial, and automotive lighting.
Customization Options
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Dimensions and shape tailored to design needs.
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SSP or DSP polishing for enhanced optical performance.
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Crystal orientation selection for uniform light propagation.
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Coating options: AR or protective coatings available.
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Packaging suitable for cleanroom handling.
Advantages of Sapphire Light Guide Blocks
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High optical transparency from UV to IR spectrum.
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Excellent thermal and mechanical durability.
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Precise geometry for predictable light distribution.
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Customizable for LED, laser, sensor, or photonics applications.
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Reliable performance for long-term use under high-power operation.



