BK7 Ball Lens
Ball lenses are commonly used for fiber coupling, laser collimation and optical measurement, offering short focal length and small size. Sandi Optoelectronics produces ball, hemispherical, superhemispherical and hollow-ball lenses. Description—fiber applications: Small optical-glass spheres improve coupling among fibers, transmitters and detectors, increasing signal quality through efficient focusing and coupling. Endoscopy and scanning: Ball lenses improve endoscopic image clarity and resolution and enhance barcode scanning and recognition. They also serve as preforms for aspheric lenses and more complex optical components.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Diameter | 0.3 mm -200 mm |
| Diameter Tolerance | +/-0.003 |
| Material | BK7, Fused Silica, Sapphire, ZnSe, Caf2 and Ruby |
| Surface Quality | 40-20 Standard |
| Sphericity | 0.003 mm |
| Clear Aperture | >90% |
Datasheet
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