

Half ball lens
Half-ball lenses, as the name suggests, are spherical optical components composed of half a sphere. Constructed from high-quality optical glass materials, these lenses possess a precisely shaped convex surface, while the other side is flat. This unique configuration allows light to focus or disperse depending on the lens's orientation.
Half-ball lenses exhibit fascinating optical properties, primarily due to their curvature and symmetry. When light passes through the convex surface, it undergoes a process called refraction. Refraction occurs when light transitions from one medium to another, causing the light rays to bend. The bending of light rays enables a range of applications, from focusing light to collimating or dispersing it over a specific area. This versatility makes half-ball lenses valuable tools in various industries, from scientific research to telecommunications.
Half-ball lenses find extensive usage across a multitude of industries, owing to their ability to manipulate light effectively.
1. Optoelectronics
Within the realm of optoelectronics, half-ball lenses are frequently employed in coupling fiber-optics, directing and expanding laser beams, and creating optical systems with enhanced performance. The precision and high-quality optical attributes of half-ball lenses enable optimal light coupling and efficient management of light energy.
2. Biomedical Imaging
Half-ball lenses play a crucial role in biomedical imaging techniques such as confocal microscopy, fluorescence microscopy, and endoscopy. These lenses contribute to focusing light onto a specific region, improving image resolution and providing valuable insights into biological samples.
3. Telecommunications
Telecommunication systems rely heavily on efficient light management. Half-ball lenses facilitate coupling and focusing light in fiber-optic networks and laser diodes, ensuring reliable data transmission and optimal performance.
Material | BK7, Fused silica, Sapphire,Visible optical glass, Infrared optical glass |
Diameter (mm) | 1-75 |
Diameter Tolerance (mm) | +/-0.05 |
Thickness Tolerance (mm) | +/-0.05 |
Focal Length Tolerance (%) | ±1 |
Surface Quality | 40/20 Scratch/Dig |
Irregularity (P-V)@632.8nm | λ/10~λ/2 |
Clear Aperture (%) | >90 |
Bevel | Protective bevel as needed |
Coating | Customer design |