← Back to product family
Conical Lenses (Axicons) SKU: 131-1278
• Precision and standard grade axicons • Made of BK7 or UVFS • Range of cone apex angles: 140o to 179o • Coated axicons or axicons made from other optical materials can be supplied Plano-convex axicons have one conical and one plano surface. Axicons can be defined by…
Variant specifications
| Specification | Value |
|---|---|
| Material | UVFS |
| Diameter | Ø 25.4 mm |
| Coating | Uncoated |
| CT | 3.7 mm |
| ET | 3.5 mm |
| Apex Angle | 178° |
Shared product specifications
These specifications apply across the Conical Lenses (Axicons) product family.
| STANDARD / Plano-Convex Axicons | |
| Material | BK7, UVFS |
| Surface quality | 60-40 scratch & dig (MIL-PRF-13830B) |
| Clear aperture | 90% of the diameter |
| Diameter tolerance | +0.00, -0.12 mm |
| Angle tolerance | ±0.5° |
| Surface irregularity S1 (conical) | ±2.5 micron |
| Surface irregularity S2 (flat) | λ @ 633 nm |
| Apex rounding | dia <3 mm |
| AR coatings | R<0.2% per surface for any specified wavelength in the range 350-1600 nm / BBAR coatings with R<1% per surface are also available for the following ranges: / UV @250-400 nm / VIS @ 400-700 nm / NIR ranges @ 700 – 1000 nm / IR range @ 1000-1700 nm |
Variant files
Technical drawings, models and data files for SKU 131-1278.
Product brochures
Shared documentation for the complete product family.