Focus Adjustable Fiber Collimators can adjust beam diameter at specified distance by screwing a ring, which drives a lens stuck to it and changes the distance between this lens and fiber at last.
Focus Adjustable Fiber Collimators
- F=4.5mm Focus Adjustable Fiber Collimators FC/APC Connector
- F=7.5mm Focus Adjustable Fiber Collimators
- F=11mm Focus Adjustable Fiber
F=4.5mm Focus Adjustable Fiber Collimators FC/APC Connector
F=4.5mm Focus Adjustable Fiber Collimators FC/APC Connector
| EFL (mm) | NA (Lens) | Waist Beam (mm) | AR Coating | Far-field Div. (mrad) | Input Fiber MFD (um) | Length Between Fiber and Lens (mm) | Transmittance | connector |
| 4.5 | 0.54 | 0.86 | 400~700nm R<0.5% | 0.78 | 3.5 | 2.4 -4.9 | >90% | FC/PC FC/APC |
| 0.54 | 0.98 | 600~1050nmR<0.5% | 1.1 | 5 | 2.4-4.9 | |||
| 0.54 | 0.87 | 1050~1700nm R<0.5% | 2.3 | 10.4 | 2.4-4.9 |
F=7.5mm Focus Adjustable Fiber Collimators
F=7.5mm Focus Adjustable Fiber Collimators
| EFL (mm) | NA (Lens) | Waist Beam (mm) | AR Coating | Far-field Div. (mrad) | Input Fiber MFD (um) | Length Between Fiber and Lens (mm) | Transmittance | connector |
| 7.5 | 0.3 | 1.35 | 400~700nm R<0.5% | 0.49 | 3.5 | 4.2- 6.8 |
>90%
|
FC/PC FC/APC |
| 0.3 | 1.6 | 600~1050nmR<0.5% | 0.66 | 5 | 4.2- 6.8 | |||
| 0.3 | 1.44 | 1050~1700nm R<0.5% | 1.4 | 10.4 | 4.2- 6.8 |
F=11mm Focus Adjustable Fiber
F=11mm Focus Adjustable Fiber
| EFL (mm) | NA (Lens) | Waist Beam (mm) | AR Coating | Far-field Div. (mrad) | Input Fiber MFD (um) | Length Between Fiber and Lens (mm) | Transmittance | connector |
| 11 | 0.3 | 1.96 | 400~700nm R<0.5% | 0.32 | 3.5 | 8.6 -10.9 |
>90%
|
FC/PC FC/APC |
| 0.3 | 2.35 | 600~1050nmR<0.5% | 0.46 | 5 | 8.6 – 10.9 | |||
| 0.3 | 2.1 | 1050~1700nm R<0.5% | 1 | 10.4 | 8.6 – 10.9 |
