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| Code | 665777 | Type | 5-Axis Fiber Couplers and Accessories | |
| Effective Focal Length | 11.0mm | Connector Type | FC/APC | |
| AR Coating Range (e) | 350 – 700nm | Maximum Beam Waist Distance (ac) | 3249mm | |
| Divergence Angle (Full Angle, a) | 0.323mrad | Input Fiber MFD (b) | 3.5μm | |
| Output Beam Waist Diameter (a) | 2.03mm | Clear Aperture of Lens (d) | 4.07mm | |
| Lens Numerical Aperture (NA) | 0.2 | Lens Material | D-ZK3 | |
| Housing Material | Stainless Steel |
Focal Length
11.0 mm
Connector Types
FC/APC, FC/PC, SMA (optional)
Coating Types
A, B, C coatings available
Fiber Compatibility
Suitable for single-mode fibers
Description
LBTEK five-axis fiber coupler/collimator with 11 mm focal length aspheric lens offers A/B/C coating options, covering wavelengths from 350 to 1700 nm. With the connector and fiber fixed in place, the built-in lens allows five degrees of alignment freedom: linear adjustment in X and Y directions, pitch and yaw angular adjustment, and Z-axis tuning via pitch/yaw coupling.
Travel range in X and Y directions is ±0.7 mm with a resolution of 317 µm per turn. Z-axis travel is ±1.0 mm with a resolution of 200 µm per turn. By loosening the three flat-head screws on the front panel, the connector can be rotated for polarization-maintaining fiber alignment. After alignment, X and Y positions can be locked by tightening the side screws of the housing. The locking ring on the Zθ adjuster secures pitch and yaw positions.
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