
Fixed Aspheric Fiber Collimator AFC780-4-APC
AFC780-4-APCDesign Tools
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The fixed aspheric fiber collimators provided by LBTEK have no moving parts, featuring a compact structure unaffected by misalignment, which simplifies free-space laser-to-fiber coupling. LBTEK offers customized collimator services, including connector types, housing dimensions, output beam size, and other specifications. For specific customization requirements, please contact LBTEK Technical Support.
- Collimated spot diameter: 2.0~3.6 mm
- Mechanical housing diameter: 11 mm
- FC/APC connector

| Operating Wavelength | 780 nm |
| Output spot diameter | 4 mm |
| Anti-reflection coating range | 600-1050 nm |
| Material | D-ZK3 |
| Focal length | 18.40 mm@780 nm |
| Thread specification | M11 |
| Connector Type | FC/APC |
| Housing Material | Non-magnetic stainless steel |
| Housing Diameter | 11.0 mm |
| Divergence angle | ≤0.021° |
| AR Coating Reflectance | Ravg<0.5%@600-1050 nm |
| NA<sub>lens</sub> | 0.15 |






