Off-the-Shelf and Custom Ball Lenses and Half Ball Lenses made from Sapphire, N-BK7, UV Fused Silica, Ruby, Ge, ZnSe, and various High-Refractive-Inde
A Ball Lens consists of a highly transparent spherical ball, usually made of solid glass (fused silica) or another optical material with index of refraction less than 2. Most ball lenses are made with small diameters – a few millimeters or even less than a millimeter. The optical physics can be understood by realizing these lenses are two plano-convex lenses separated by a parallel... Read more...
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