sapphire optics
Sapphire ball 4.6mm diameter



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Sapphire Products >> Stock Items >> Sapphire Ball 4.6mm Ø
Sapphire Ball 4.6mm Ø
    Specifications of Sapphire Ball SBL46U
  • Code: SBL46U
  • Material: Optical grade single Sapphire crystal
  • Diameter: 4.6mm
  • Tolerance: ±0.005mm
  • Surface Quality S/D: 80/50
  • Clear Aperture: >85%
  • Sphericity: 0.003mm
  • Compressive Strength: 300,000 (psi)
  • Coating: Uncoated


Sapphire Balls Features and Applications:
1. High transparent to wavelengths of light between 0.3 μm (UV) and 5 μm (IR),
2. Extremely hard and resistant to attack by srong acid.
3. Highly resistant to scratching.
4. Extremely high melting temperature (2030°C).
5. Suitable for the application of heavily corrosive environment and optical fiber communication.
Custom Specifications of Sapphire Ball:
Diameters: 1 mm to 150mm
Diameters tolerance: +/- 0.001mm
Roundness: < 0.003 
Surface quality: Up to 20/10
Surfaces accuracy: < 2λ
Clear aperture: > 90%
Sphericity: Up to 0.6μm
Coating: AR coating
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