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The effective regions were evaluated for different laser beam’s configurations
| NA | Beam waist | Lens combination | Effective regions |
|---|---|---|---|
| ≈ 0.7 | ≈ 0.4 | 8mm-200mm-30mm | Loss of control |
| ≈ 0.1 | ≈ 2 | 30mm-200mm-30mm | ≈ 80 μm |
| ≈ 0.06 | ≈ 4 | 30mm-60mm-30mm | Loss of control |
