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| Code | 665807 | Type | Zoom Fiber Optic Collimator | |
| Focal Length | 6-18mm | AR Coating | Ravg < 0.5% @ 400–650nm | |
| Transmission | 85% @ 405nm ，90% @ 635nm | Fiber Connector | FC/PC, 2.2 mm wide key | |
| Coating Type | Type A coating @ 400-650nm | Maximum Fiber NA | 0.25 | |
| Typical Output Beam Diameter (Single-Mode Fiber) | 1.25-3.2mm (C630-APC-2 @ 635nm)a | Minimum Focusing Distance | 0.3m | |
| Zoom Pointing Stability | < 1mrad |
Focal Length Range 6 mm to 18 mm
Minimum Focusing Distance 0.3 m
Maximum Coupled Input Fiber NA 0.25
Coating 400-650 nm, 650-1050 nm, and 1050-1650 nm
Zoom Pointing Stability FC/PC and FC/APC < 1 mrad SMA905 < 4 mrad
The LBTEK Zoom Fiber Collimator is a versatile fiber collimator with a focal length range of 6 mm to 18 mm and an achromatic design, making it suitable for a wide range of applications. To minimize losses due to surface reflections, all lenses in the collimator are coated with broadband antireflection coatings on both sides. The coating ranges include 400-650 nm, 650-1050 nm, and 1050-1650 nm.
The collimator features SM05 internal threads and SM1 external threads at the output, allowing integration with other optical and mechanical components. When rotating the zoom or focusing ring, the rest of the components remain stationary, ensuring that the beam size adjustment does not interfere with any already connected components. This design provides excellent pointing stability.
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