Knight Optical for your Ball Lenses
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Ball lenses are highly polished spheres. We can supply off the shelf ball lenses and custom ball lenses in various sizes ranging from 0.127mm up to 20.00mm, in materials such as ruby, sapphire and optical glass. (Please see materials section for a comprehensive list of available materials).
Our stock sapphire and ruby ball lenses have a high refractive index which gives quite low spherical aberration. The sapphire ball lenses have good transmission from 200nm up to 5000nm. So they can be used for UV, visible and IR applications. Where as a ruby ball lens has good transmittance above 650nm, so can be used in the IR region. |
Our stock optical glass ball lenses can have a higher still refractive index, going up to 2.003 (S-LAH79). The optical glass ball lenses have very good transmission 300+nm to ~2100nm. Making them ideal for visible and IR applications.
From our online stock ball lenses we have a variety of ceramic, UV and NIR materials, optical glasses such as BAF-8, LASFN-9, technical glasses such as B-270 and Borosilicate and Cubic Zirconia ball lenses. These are available in a full range of diameters. We can also offer custom ball lenses in a range of diameters and materials please enquire, as well as half ball lenses and drum lenses.
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