| Code | 665942 | Type | Adjustable Focusing Collimator | |
|   Shell Diameter  | 
  12mm  | 
  Connector Type  | 
  FC/APC  | 
|
|   Effective Focal Length  | 
  2.0mm  | 
  Lens NA  | 
  0.5 | 
|
|   Lens Material  | 
  D-ZLAF52LA | 
  Shell Material  | 
  Nickel-Copper Alloy  | 
|
|   Anti-Reflection Coating Range  | 
  600 - 1050nm  | 
  Divergence Angle (Full Angle)  | 
  ≤0.17°  | 
|
| Input Fiber MFD | 5.0μm | Maximum Waist Distance | 88.6mm | |
| Lens Clear Aperture | 2.7mm | Output Beam Waist Diameter | 0.40mm | |
| Z-axis Adjustment Range | ±1mm | Alignment Stability | < 15mrad | 
Connector Type: FC/APC
Focal Length: 2.0/4.6/7.5/11 mm
Internal Lens: Aspheric Lens
The LBTEK Adjustable Focusing Collimator offers a compact design that simplifies free-space laser to fiber coupling. With an FC/APC connector, it provides improved return loss. The adjustable focusing collimator is available in three coating wavelength ranges: 350 nm-700 nm, 600 nm-1050 nm, and 1050 nm-1700 nm, and comes with focal lengths of 2 mm, 4.6 mm, 7.5 mm, and 11.0 mm. Each collimator is coated with an anti-reflection coating to reduce reflectivity. For detailed parameters, please refer to the specification table or curve data. The purchase includes the corresponding eccentric adjustment parts. LBTEK offers various customization services; for specific customization requirements, please contact LBTEK technical support.









                                            
                                    




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