PRODUCTS
Optoelectronics and Components
Optical Components from Tower Optical
Lenses
Do you have special requirements or would like individual consultation? Please contact our engineers at:
Sales
Phone: +49 89 321412-43
sales[at]imm-photonics.de
Custom and Cylindrical Lenses
| Material | BK7 or equal |
| Sizes | 1 mm to 350 mm |
| Diameter tolerance | ± 0.02 mm |
| Decentration (wedge) | ± 10 second |
| Irregularity | 0.05 λ @ 632.8 nm |
| Spherical error | 0.10 λ @ 632.8 nm |
| Surface quality | 10/5 scratch/dig |
| Thickness tolerance | ± 0.01 mm |
Ball and Drum Lenses
| [] Material | BK7 grade A or equivalent or UV fused silica |
| Sizes / diameter | 1 mm to 10 mm |
| Diameter tolerance | ± 0.01 mm |
| Sphericity | ± 0.003 mm |
| Surface quality | 40/20 scratch/dig |
| Coating | None |
Plano Convex Lenses, Plano Concave Lenses, Bi Convex Lenses
Applications: telescopes, collimators, optical transceivers, magnifiers, radiometers and condensers
| Specifications | Plano Convex Lenses | Plano Concave Lenses | Bi Convex Lenses |
|---|---|---|---|
| Focal length | 10 mm to 1000 mm | -18 mm to -150 mm | 10 mm to 1000 mm |
| Diameter | 6 mm to 75 mm | 6 mm to 50,8 mm | 6 mm to 50,8 mm |
| Material | BK7 grade A | ||
| Design wavelength | n 1.5150 @ 633 nm | ||
| Diameter tolerance | + 0 mm / - 0.10 mm | ||
| Focal length tolerance | ± 1% | ||
| Centering | ± 3 arc min | ||
| Clear aperture | 90 % diameter | ||
| Surface quality | 60/40 scratch/dig | ||
| Bevel | 0.25 mm x 45° | ||
| Coating | None | ||