Half-Ball Lenses
Half-Ball Lenses
MSE supplies offers Half-Ball Lenses made of N-BK7/H-K9L, Sapphire and JGS1/UVFS with diameter between 1mm to 25mm. Half-Ball lenses are a kind of convex lenses in hemispherical shape that made of optical glass with good transparency and refractive parameters. It is usually made by cutting Ball Lenses in half. Comparing to ball lenses, they are more compact and easier to mount. The most common application is as beam collimators for optical fibers, emitters and detectors. Other applications include endoscope, bar-code scanning and laser measurement.
Technical Data:
Below are the parameters for standard products. For customized products with different material, diameter, surface quality and coating, please contact us.
| Parameters | Value |
| Material |
|
| Diameter (mm) | 1-25 |
| Diameter Tolerance (mm) | +/-0.1 |
| Thickness Tolerance (mm) | +/-0.1 |
| Focal Length Tolerance (%) | ±1 |
| Irregularity (P-V) @ 632.8nm | λ/10~λ/2 |
| Clear Aperture (%) | >90 |
| Bevel | Protective bevel as needed |
| Packing Weight (g) |
|
| Surface Quality | 60/40 Scratch/Dig |
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