Sapphire Rods Light Cone Rods Sapphire Discharge Needles Specialized for Semiconductor Equipment
Product overview of sapphire discharge needles
Sapphire Rods Light Cone Rods Sapphire Discharge Needles Specialized for Semiconductor Equipment
Sapphire discharge needles 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 discharge needles
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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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Material
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Al₂O₃ purity ≥99.99% |
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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 discharge needles
1. Superior Optical Performance: Operational wavelength range 0.17-5.5μm (deep UV to mid-IR), sapphire discharge needles 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), sapphire discharge needles are capable of withstanding high-power laser irradiation
3. Exceptional Mechanical Strength: Mohs hardness of 9, flexural strength exceeding 700MPa
4. Outstanding Surface Quality: Sapphire discharge needles are 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 discharge needles
1. Laser Technology
- Beam shaping systems for high-power lasers, sapphire discharge needles are 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), sapphire discharge needles are enhancing energy conversion efficiency
3. Biomedical Devices
- Core light-guiding components for high-end endoscopes, sapphire discharge needles 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 discharge needles
ZMSH provide comprehensive sapphire discharge needles 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 discharge needles
1. Q: What are sapphire discharge needles used for in laser systems?
A: Sapphire discharge needles 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, #Sapphire Discharge Needles
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