Sapphire Ball Lenses and Half-ball Lenses
High Transmittance: Sapphire’s inherent optical properties ensure minimal absorption and scattering, resulting in high transmittance across a wide spectral range.
Durability: With a Mohs hardness of 9, sapphire lenses are highly resistant to scratches, abrasion, and chemical attack, making them suitable for harsh environments.
Precision Optics: The lenses are manufactured to precise specifications, ensuring optimal performance in demanding optical systems.
Customizability: Available in various diameters, coatings, and surface qualities, these lenses can be tailored to specific application requirements.
Applications: Medical Devices, Telecommunications, Scientific Research, Aerospace, Industrial Inspection, etc.
Kingwin Optics, a renowned manufacturer in the optical industry, offers a comprehensive range of precision optical components, including Sapphire Ball Lenses and Half-ball Lenses. These lenses are designed for applications requiring high transmittance, durability, and precision optics. Sapphire, known for its exceptional hardness and chemical stability, makes these lenses an ideal choice for demanding environments.
Specifications:
| Transmission Range | 0.15-5.5μm |
| Refractive Index | No 1.75449; Ne 1.74663@1.06μm |
| Reflection Loss | 14%@1.06μm |
| Absorption Coefficient | 0.3×10-3cm-1@2.4μm |
| Reststrahlen Peak | 13.5μm |
| dn/dT | 13.1×10-6@0.546μm |
| dn/dμ=0 | 1.5μm |
| Density | 3.97g/cc |
| Melting Point | 2040℃ |
| Thermal Conductivity | 27.21 W m-1 K-1 @300K |
| Thermal Expansion | 5.6 (para)& 5.0(perp)x10-6/K* |
| Hardness | Knoop 2000 with 2000g indenter |
| Specific Heat Capacity | 763 J Kg-1 K-1 @293K |
| Dielectric Constant | 11.5 (para) 9.4 (perp)@ 1MHz |
| Youngs Modules | 335Gpa |
| Shear Modules | 148.1GPa |
| Bulk Modules | 240GPa |
| Elastic Coefficients | C11=496 C12=164 C13=115 C33=498 C44=148 |
Sapphire Ball Lenses:
- Material: Sapphire, renowned for its high optical transparency (transmittance > 95%) and exceptional mechanical properties.
- Design: Spherical in shape, these lenses are meticulously polished to ensure precise diameters and surface quality. The spherical design ensures uniform refraction of incident light, making them suitable for various optical systems.
- Specifications: Available in diameters ranging from 0.5mm to 200mm, with customizable coatings for specific wavelength requirements. The surface quality is typically 20/10 or better, ensuring minimal scattering and high image quality.
- Coatings: Optional anti-reflection coatings can be applied to reduce reflection losses and optimize performance for specific wavelengths.
Half-ball Lenses:
- Design: Hemispherical in shape, half-ball lenses are ideal for applications requiring a curved surface while maintaining a flat base for easy mounting.
- Specifications: Similar to Sapphire Ball Lenses, half-ball lenses are available in diameters from 0.5mm to 100mm, with precise radius tolerances and surface quality.
- Applications: Perfect for fiber communication, endoscopy, microscopy, optical pick-up devices, and laser measurement systems.
Advantages:
- High Transmittance: Sapphire’s inherent optical properties ensure minimal absorption and scattering, resulting in high transmittance across a wide spectral range.
- Durability: With a Mohs hardness of 9, sapphire lenses are highly resistant to scratches, abrasion, and chemical attack, making them suitable for harsh environments.
- Precision Optics: The lenses are manufactured to precise specifications, ensuring optimal performance in demanding optical systems.
- Customizability: Available in various diameters, coatings, and surface qualities, these lenses can be tailored to specific application requirements.
Applications:
- Medical Devices: Sapphire ball and half-ball lenses are ideal for endoscopes, surgical lasers, and other medical equipment requiring high-resolution imaging and durability.
- Telecommunications: Used in fiber optic coupling and collimation, these lenses ensure efficient light transfer and minimal signal loss in long-distance communication systems.
- Scientific Research: Researchers rely on sapphire lenses for their precision and durability in experiments involving high-power lasers, spectroscopy, and microscopy.
- Aerospace: In satellite-based optical systems, such as spectral imagers, sapphire lenses provide reliable performance under extreme temperature and radiation conditions.
- Industrial Inspection: For applications requiring high-resolution imaging, such as machine vision and non-destructive testing, sapphire lenses offer exceptional clarity and durability.
In conclusion, Kingwin Optics’ Sapphire Ball Lenses and Half-ball Lenses are premium optical components designed for demanding applications. Their combination of high transmittance, durability, precision, and customizability makes them an ideal choice for a wide range of industries, from medical to aerospace.
