Half Balls
Specifications
Material:Sapphire,fused silica,BK7
Diameter:1.5-300mm
Surface Figure:λ/2
Diameter Tolerance:+0.1, -0.1 mm
Thickness Tolerance:±0.2 mm
Clear Aperture >85%
Surface Quality:60-40 scratch and dig
Coating :Specified by customers
Diameter:1.5-300mm
Surface Figure:λ/2
Diameter Tolerance:+0.1, -0.1 mm
Thickness Tolerance:±0.2 mm
Clear Aperture >85%
Surface Quality:60-40 scratch and dig
Coating :Specified by customers
Half-Ball (hemispherical) lenses have a good performance on microscopy, endoscopy, fiber communication, optical pick-up devices, and laser measurement systems, LED industry, especially for high power and UV LED. Half balls are with much more advantages than silicone lenses and plastic lenses.
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