Hemispherical Lens
Half ball lens is typically made by cutting a complete spherical lens along the equatorial plane, thus consistiHalf ball lens can be considered "half" of a spherical lens. It combines the focusing characteristics of a spherical lens with the ease of mounting on a planar substrate, playing a vital role in precision optics and optoelectronic systems.
Specification Snapshot
Diameter
0.2mm-100mm
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Overview
Half ball lens is typically made by cutting a complete spherical lens along the equatorial plane, thus consistiHalf ball lens can be considered "half" of a spherical lens. It combines the focusing characteristics of a spherical lens with the ease of mounting on a planar substrate, playing a vital role in precision optics and optoelectronic systems.
Specifications
| Parameter | Value |
|---|---|
| Material | optical glass (VIS glass, UV fused silica, Silicon, sapphire etc.) |
| Diameter | 0.2mm-100mm |
| Diameter Tolerance | +0.0-0.05mm |
| Surface Qualty | 60/40, 40/20.20/10 |
| Surface Frigure | lambda/2~lambda/8 |
| Coating [According to customer requirements.] | According to customer requirements. |
Applications
High-efficiency Optical Coupling:Utilizing an extremely short back focal length, the distance to the optical fiber or laser chip is minimized, efficiently focusing or coupling diverging signal light into the transmission fiber. Beam shaping and illumination:Diffusion of the LED point light source into a uniform surface light source achieves wide-angle uniform illumination. For example, in intraoral scanners, it eliminates reflective interference from tooth surfaces, ensuring the accuracy of 3D modeling. Specialized Imaging and Detection:As a solid immersion lens or coupling lens, it improves the resolution or signal acquisition efficiency of the imaging system. For example, in terahertz systems, it is used to increase the intensity and bandwidth of the spectral signal.
Key Features
Materials:Optical glass such as K9, fused silica, sapphire, MgF2, silicon (Si), etc. These materials possess high transmittance, low absorption, low scattering, uniform refractive index, and specific dispersion characteristics. Shape:Precisely hemispherical. The machining precision of the center and radius of curvature of the sphere is extremely high. Surface Quality:The surface is precision polished to an optical grade of 10-5 to ensure image quality and reduce scattering and aberrations. Coating:An AR coating is typically applied to the concave surface to maximize the transmittance of specific wavelengths of light (e.g. visible light) and reduce reflection loss.
Datasheet
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Supplier Information
ECOPTIK has been researching optical component fabrication technology for 15 years. We manufacture precision optics such as dome, spherical lens, micro-optical component, cylindrical mirror, filter, prism, and window. We offer glass materials from Schott, CDGM, Corning, and Sapphire, CaF2, MgF2, Fused Silica, Si, etc. We offer lens assembly service. We possess ZYGO laser interferometers, ZEISS CMM Spectrum, and Agilent Cary 7000 UMS for testing and providing product reports.
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