
Sapphire Light Guides
High-Precision Optical Component for Cutting-Edge Technology Applications
Product Overview
The Sapphire Light Guides is an optical light-guiding component crafted from high-purity synthetic sapphire (single-crystal α-Al₂O₃), designed for advanced optical systems. Leveraging the exceptional physical and chemical stability of sapphire, it delivers outstanding performance in extreme environments and complex optical scenarios. Widely used in laser technology, fiber optics, medical devices, industrial sensing, aerospace, and more.
Key Advantages
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Exceptional Durability
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Mohs hardness of 9 (second only to diamond), with scratch and wear resistance far exceeding standard optical glass.
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High-temperature resistance up to 2000°C, ensuring stable operation in harsh environments with heat or radiation.
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Superior Optical Properties
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Broad transmission range from UV to near-infrared (NIR, 0.15-5.5μm), with >85% transmittance (@633nm).
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Low refractive index temperature coefficient (dn/dT≈1.3×10⁻⁶/°C), maintaining optical stability under thermal fluctuations.
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Chemical Inertness
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Resistant to strong acids, alkalis, and organic solvents, ideal for corrosive industrial or semiconductor environments.
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Technical Specifications
Parameter | Specifications |
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Material | Synthetic sapphire (single-crystal α-Al₂O₃), purity ≥99.99% |
Dimensions | - Diameter: 0.5mm~20mm (customizable) - Length: 1mm~100mm (standard) / Custom |
Optical Performance | - Transmittance: ≥85% (@633nm) - Refractive Index: 1.76~1.78 (@589nm) |
Surface Treatment | Polishing (Ra≤5nm), optional coatings (AR, HR, metallic reflective layers, etc.) |
Operating Temp. | -200°C ~ +1900°C (recommended ≤1500°C for routine use) |
Corrosion Resistance | Compatible with HF, H₂SO₄, NaOH, etc. (custom coatings available for specific conditions) |
Mechanical Strength | Flexural strength ≥600MPa, compressive strength ≥2GPa |
Mounting Options | Metallized welding, adhesive bonding, or mechanical clamping; customizable end-face treatments (flat, spherical, angled) |
Packaging | Anti-static vacuum-sealed bag + shock-proof case (MIL-STD-2073 compliant) |
Applications
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Laser Systems: High-power laser transmission and focusing with superior thermal damage resistance.
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Fiber Optics: Fiber coupling component for enhanced signal transmission efficiency and stability.
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Medical Devices: Core light guide for endoscopes, laser scalpels, and biocompatible instruments.
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Industrial Sensing: Optical sensor medium for high-temperature/corrosive environments.
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Aerospace: Radiation-resistant, thermal-shock-stable solution for satellite and deep-space optical systems.
Customization Services
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Flexible Dimensions: Non-standard diameters, lengths, and geometries.
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Surface Coatings: AR (anti-reflective), HR (high-reflective), metallized layers, etc.
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Certifications: RoHS, REACH, and ISO 9001 compliance documentation available.
Quality Commitment
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Rigorous optical testing (interferometry, spectrophotometry) and mechanical validation for every batch.
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Warranty with expert technical support for selection and troubleshooting.
Contact Us
Request samples, datasheets, or customized solutions today. Sapphire Light Guide
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