Precision Sapphire Rods Light cone Rods Optical Grade Ra≤0.5nm
Sapphire light cones are specialized optical components manufactured from high-purity single-crystal aluminum oxide (Al₂O₃ purity ≥99.99%). As a professional optical components manufacturer, ZMSH maintains complete production lines for crystal growth, precision machining, and coating deposition. The products are fabricated using advanced EFG (Edge-defined Film-fed Growth) technology, exhibiting exceptional axial optical uniformity and radial refractive index consistency. The unique tapered design enables efficient beam coupling, expansion, or focusing functions, making it a critical component in advanced optical systems.
Technical parameters of sapphire light cones
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Parameter Category
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Specifications
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Dimensions
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Input diameter Φ0.5-10mm, output diameter Φ1-25mm, length 10-200mm
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Surface Quality
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Optical grade: Ra≤0.5nm; Industrial grade: Ra≤0.1μm
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Crystal Orientation
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C-axis/<1120> orientation deviation ±0.5°, customizable for other orientations
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Coating Options
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UV anti-reflection (200-400nm), IR broadband (3-5μm), high-reflection (>98%@10.6μm)
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Optical Performance
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Numerical aperture NA 0.15-0.22 (adjustable), transmission loss <0.1dB/cm@1550nm
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Key features of sapphire light cones
1. Superior Optical Performance: Operational wavelength range 0.17-5.5μm (deep UV to mid-IR), with ≥85% transmittance at 633nm after double-side polishing
2. Excellent Thermal Stability: Thermal expansion coefficient of only 5.3×10⁻⁶/K (RT to 1000°C), capable of withstanding high-power laser irradiation
3. Exceptional Mechanical Strength: Mohs hardness of 9, flexural strength exceeding 700MPa
4. Outstanding Surface Quality: Optical-grade surface roughness Ra≤0.5nm, ensuring low light scattering loss
5. Precision Geometric Control: Taper angle tolerance strictly maintained within ±0.5°, end-face perpendicularity <5 arc-min
Primary applications of sapphire light cones
1. Laser Technology
- Beam shaping systems for high-power lasers, converting Gaussian beams to flat-top beams with >90% uniformity
- Mode converters for fiber lasers, significantly improving beam quality
2. Fiber Optic Communication
- Mode conversion devices in 400G optical modules, effectively reducing transmission dispersion
- Pump coupling systems for EDFA (Erbium-Doped Fiber Amplifiers), enhancing energy conversion efficiency
3. Biomedical Devices
- Core light-guiding components for high-end endoscopes, resistant to autoclave sterilization
- Key optical elements in OCT (Optical Coherence Tomography) systems
4. Industrial Inspection Instruments
- Optical input interfaces for spectrometers, improving signal collection efficiency
- Light-guiding components for precision vision inspection systems
ZMSH's services of sapphire light cones
ZMSH provide comprehensive sapphire tapered rod solutions:
- Custom Manufacturing: Support for special dimensions and complex geometries including asymmetric tapers
- Precision Machining: Equipped with ultra-precision grinding and polishing equipment for nanometer-level surface quality
- Professional Coating Services: Various functional optical coatings from UV to IR wavelengths
- Technical Support: Dedicated optical engineering team providing full-process support from design to application
- Quality Assurance: Rigorous optical performance testing with complete test reports for every batch
Q&A of sapphire light cones
1. Q: What are sapphire light cones used for in laser systems?
A: Sapphire light cones are primarily used for beam shaping and mode conversion in high-power lasers to improve beam quality and uniformity.
2. Q: Why choose sapphire over quartz for optical tapers?
A: Sapphire offers superior hardness, thermal stability and chemical resistance compared to quartz, making it ideal for demanding optical applications.
Tags: #Precision Sapphire Rods, #Sapphire Light cone, #Al₂O₃ 99.999%, #Transmittance≥80%, #Precision Cutting, #Optical Grade, #Ra≤0.5nm
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