Half Ball Lens
  • Half Ball Lens
  • Half Ball Lens
  • Half Ball Lens

Half Ball Lens

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Ball lenses 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 customer’s 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.


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Specification


Materialoptical glass 
Diameter0.2mm-100mm
Diameter Tolerance+0.0-0.05mm
Surface Qualty60/40, 40/20.20/10
Surface Frigurelambda/2~lambda/8
Coatingas customer's request





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