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Half Ball Lens

Half Ball Lens is a special optical element obtained by cutting a spherical lens into a hemisphere. ECOPTIK 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 fiber coupling. Our hemispherical lenses provide uniform light scattering and are widely used in fiber coupling, LED collimation, and near-field detection.

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Specification of Half Ball Lens


Material

optical glass (VIS glass, UV fused silica, Silicon, sapphire etc.)

Diameter

0.2mm-100mm

Diameter Tolerance

+0.0-0.05mm

Surface Qualty

60/40, 40/20.20/10

Surface Frigure

lambda/2~lambda/8

Coating

According to customer requirements


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