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| Coad | 666194 | Type | Fixed Aspheric Fiber Collimator | |
| Wavelength(nm) | 635 | Focal Length(mm) | 11.00 | |
| Output Spot Diameter (mm) | 2.10 | Divergence Angle (°) | ≤0.035 | |
| NAlens | 0.27 | Material | D-ZK3 | |
| Deflection Angle | - | Coating Specifications | Ravg＜0.5%@400-700nm | |
| Wavelength Range | 400 - 700nm | Housing Material | Non-magnetic Stainless Steel | |
| Shell Diameter | 11.0mm | Shell Length | - | |
| Thread Specification | M11 x 0.5 - 6g | Connector Type | SMA |
The LBTEK fixed aspheric fiber collimator, pre-aligned, is designed for collimating laser light emitted from FC/APC, FC/PC, or SMA fiber connectors. The aspheric lens has chromatic aberration, and its effective focal length (EFL) is wavelength-dependent, providing diffraction-limited performance at the design wavelength, with excellent spherical aberration correction, making it ideal for simple fiber coupling applications. The collimator has a compact overall structure, and the molded aspheric lens is coated with anti-reflection coatings on both sides to minimize surface reflections. Additionally, the FC/APC version features a beveled connector, directing the beam emitted from the fiber into the collimator along the perpendicular focal plane.
LBTEK fixed aspheric fiber collimators are available in design wavelengths including 405 nm, 450 nm, 480 nm, 520 nm, 532 nm, 543 nm, 633 nm, 635 nm, 650 nm, 780 nm, 810 nm, 850 nm, 980 nm, 1064 nm, 1310 nm, and 1550 nm. They offer three fiber connector versions: FC/PC, FC/APC, and SMA. Customization services are available, including adjustments for different wavelengths, connector types, housing sizes, and output beam diameters. For specific customization requirements, please contact us.
The LBTEK fixed aspheric fiber collimator has no moving parts, and its compact design is unaffected by misalignment, simplifying the coupling of free-space lasers to optical fibers.
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