Ball lenses as the name suggests are complete spheres.Ball Lenses are widely used in optical measurement systems,projection&imaging optical systems,laser collimating and focusing, laser-to-fiber coupling, fiber-to-fiber coupling, and fiber-to-detector coupling. Endoscopy,bar code readers.It is made of single piece of glass or crystal and can focus or collimate light,depending upon the geometry of the input source.
Atoptical can supply spherical ball lenses in various materials, including BK7(Glass), Sapphire, CaF2, or custom materials upon request.
Diamteri since 0.5mm to 40mm upon request.
Specifications
Normal
High Precision
Mfg.Limit
Material
BK7
BK7
BK7
Design Index
1.5168
1.5168
1.5168
Diameter Tolerance
+0/-0.1mm
+0/-0.5mm
+0/-0.1
Surface Quality
60-40
40-20
10-5
Diameter Ellipticity
0.01
0.005
0.001
Clear Aperture
>80%
>85%
>90%
Other materials are also available.