
The 4401-261-000-21 is a high-performance LINOS F-Theta-Ronar scan lens designed by Qioptiq (an Excelitas Technologies company) for precision laser material processing at 1064 nm. It features a 163.1 mm focal length and provides a 115 x 115 mm scan field. The lens is constructed from optical glass with a design optimized for flat-field scanning and consistent spot size across the entire working area. It is equipped with an M76x1 mounting thread and a PG5 protective glass cover.
Excelitas Technologies 4401-261-000-21 technical specifications.
| Design Wavelength | 1064nm |
| Effective Focal Length (EFL) | 163.1mm |
| Maximum Scan Field | 115 x 115mm |
| Scan Angle | ± 20.2degrees |
| Beam Diameter (truncated at 1/e²) | 10mm |
| Spot Diameter (at 1/e²) | 32µm |
| Working Distance | 219.1mm |
| Flange Focal Length | 185.9mm |
| Screw Thread | M76x1 |
| Protective Glass | PG5 |
| Weight | 795g |
| Lens Material | Optical Glass |
| RoHS | Compliant |
Download the complete datasheet for Excelitas Technologies 4401-261-000-21 to view detailed technical specifications.
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