This product is polished spherical lenses made by optical glass fused silica, sapphire or other optical materials which have relatively high transmission rate for a diode with an anti-reflection coating. Widely used for coupling light in and out of fibers. It has the advantage of easy for fabrication, light weight which can be considered as the ideal components for optical communication applications.
Although due to the spherical aberration which leads to lower coupling efficiency, its unique easy-packaging attribute guaranteed ball lenses are suitable for series production for optical communication applications with no doubts, especially compared to aspheric lenses.
Balllensspecscommercial gradefactory standardprecision grade
Materialsbk7 or equivalent, sapphire, quartz, fused silica
Diameter± 10µm± 5µm± 2.5µm
Figure (sphericity)5 lambda(@632.8nm)3lambda (@632.8nm1lambda (@632.8nm
Focal length tolerance (%)±5%±3%±0.2%
Cosmetic(mil-c-13830a)80-5040-2010-5
Http://www.Hypoptics.Com/components/spherical-lenses/ball-half-ball-lenses.Html
Ball Lenses Ball lenses are spherical optical components, typically made from glass or other transparent materials. These glass ball lens used primarily for focusing and collimating light in a wide range of applications, including fiber optic communications, endoscopy, microscopy, optical pick-up devices, and laser measurement systems. The simple geometry of the glass ball lens allows for minimal light deviation and aberration, making them highly effective in coupling light between fibers or focusing light into a small area. Their efficiency and compact size make fiber ball lens indispensable in precision optical instruments and devices requiring high-quality light transmission and focusing. Types of Ball Lenses Optical Ball Lenses Ball lenses focus and collimate light, essential in fiber optics, microscopy, and laser alignment, offering minimal light deviation. Half Ball Lenses Half ball lenses offer precise focusing and collimation, ideal for enhancing optical performance in imaging and sensor applications. How Do Ball Lenses Work? Ball lenses function by refracting light as it passes through their spherical surface, focusing or collimating the light rays. Their geometry allows for minimal optical aberration, making them ideal for coupling light into and out of fibers. When light enters a ball lens, it bends towards the lensâ?? denser medium, converging at a point on the opposite side. The precise focal point depends on the lens materialâ??s refractive index and the diameter of the ball lens, enabling applications in fiber optics, laser collimation, and optical instrumentation.
Spherical Lens Half Ball Lens PARAMETER: ODM Half Ball Lens are completely spherical lenses most commonly used to couple light in and out of fibres. Half-ball lenses are hemispheres. BRD Optical supplies bespoke ball and half-ball lenses to our customers specifications. Ball lenses can be manufactured in quartz to have excellent UV and IR transmission between 185nm to 2000+nm, while sapphire lenses have a higher refractive index allowing a very short fall back length to better facilitate fibre coupling. Custom ball lenses are available in a range of alternative materials such as optical grade glass or even ceramics or IR crystal. Our half ball lenses offer uniform dispersion of light and typically used in LED displays and LED traffic lights.
Optical sapphire ball lens and half ball lens are both made from Al203, it's ideal for demanding applications (such as laser systems). They have a lot of advantages: 1/ Stronger than standard optical glass,they have extreme surface hardness, high thermal conductivity, high dielectric constant and resistance to common chemical acids and alkalis. 2/ Transmits Wavelengths Ranging From UV to Mid-Infrared (0.2 - 5.5µm.) Materials characteristic Refractive index (nd) 1.768 Coefficient of dispersion (Vd) 72.2 Density (g/cm3) 3.97 TCE (μm/m) 5.3 Soften Temperature () 2000 Knoop hardness (kg/mm2) 2200 About sapphire materials for our ball lenses We only choose the best sapphire material to process the ball lens and hemispherical half ball lenses for our customers. As you know, sapphire has higher performance and higher purity near the center in the process of growing. So only the ball lens made from this part of the material has better performance.
Ball lenses are commonly used for laser collimating and focusing, laser-to-fiber coupling, fiber-to-fiber coupling, Solar-photovoltaic and fiber-to-detector coupling. Worldhawk can provide spherical ball lenses and half ball lenses in a range of substrates for performance in the ultraviolet to the NIR. Such as including H-K9L(N-BK7), Sapphire, CaF2, BaF2, ZnSe or custom materials upon request. Ball lenses feature short back focal lengths to minimize the distance needed from the ball Lens to the optical fiber. Ball lenses are commonly used to improve signal quality in fiber coupling applications, or for use in endoscopy or bar code scanning applications. Half-Ball (hemispherical) lenses are ideal for applications such as fiber communication,endoscopy, microscopy, optical pick-up devices,and laser measurement systems.
Essential details Place of Origin: Zhejiang, China Brand Name: JDM or OEM Model Number: BAS-1001B Product name: Balance Ball Product Diameter: 59cm Height: 20cm Carton: 60 x 11 x60cm N.W/ G.W: 4.8/5.5kgs Main material: Ball:PVC Bottom:improved PP
CaF2 half ball lens
Material:sapphire Dia.4mm Height:2mm Surface quality:20-10 Fringe:3(0.5) Tolerance:+0.00/-0.05mm AR Coating.
Material:Sapphire, K9 Fused Silica, Germanium, ZnSe. Dia:0.3-200mm Surface quality:20-10 Fringe:3(0.5) Tolerance:+/-0.002mm. AR BBAR Coating
Material: sapphire Dia.4mm+/-0.002 Surface Quality:20-10 Fringe:3(0.5) AR Coating is on request.
