Ball Lenses and Half-Ball Lenses

 

To order this product from us, please visit our Ebay store.

Ball lenses are commonly used for laser collimating and focusing, laser-to-fiber coupling, fiber-to-fiber coupling, and fiber-to-detector coupling. We provide spherical ball lenses and half-ball lenses in a range of sizes. Please refer to our whitepaper “Introduction to Ball Lenses” for technical details.

Ball lens drawings

Parameters Explaination:

EFL:   Effective Focal Length

BFL:   Back Focal Length

CT :  Center Thinkness

C:   Lens Center 

 

Diameter 1mm to 40mm
Dia. Tolerance +/-0.005mm
Dia Ellipticity +/-0.005mm
Tolerance +/-0.01mm
Irregularity λ/2@632.8nm
Surface Quality 60/40 or better
Material H-K9L (BK7 equivalent)
Coating Upon customer request

 

We currently have the following size ball lenses in stock:

 

Ball Lenses
Diameter Order from this Website Order from our eBay Store
 1.0 mm  Click to order
 1.5 mm  Click to order
 2.0 mm  Click to order
 2.5 mm  Click to order
 3.0 mm  Click to order
 4.0 mm  Click to order
 5.0 mm  Click to order
 6.0 mm  Click to order
 8.0 mm  Click to order
 10.0 mm  Click to order
 15.0 mm  Click to order
 20.0 mm  Click to order
 25.0 mm  Click to order

 

We currently have the following size half-ball lenses in stock:

 

 

Half-Ball Lenses
Diameter Order from this Website Order from our eBay Store
 1.0 mm  Click to order
 1.5 mm  Click to order
 2.0 mm  Click to order
 2.5 mm  Click to order
 3.0 mm  Click to order
 4.0 mm  Click to order
 5.0 mm  Click to order
 6.0 mm  Click to order
 8.0 mm  Click to order
 10.0 mm  Click to order
 12.0 mm  Click to order
 15.0 mm  Click to order
 18.0 mm  Click to order
 20.0 mm  Click to order

 

For further information of this product, please visit our Ebay store.

 

Interestingly, ball lenses and half-ball lenses with 1 mm diameter to 3 mm diameter are used with smartphone to build simple microscopes both by amateurs and by professionals.  Please refer to our white paper “Build Simple Smartphone Microscope With A Ball Lens” for details.

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