No, not really. Laser beams have a width and that can be adjusted. As it comes out of the fiber, it forms an expanding cone which you would then modify with a

No, not really. Laser beams have a width and that can be adjusted. As it comes out of the fiber, it forms an expanding cone which you would then modify with a lens (https://content.coherent.com/legacy-assets/literature/white_papers/COHR_whitepaper_Fiber_Delivery_Primer.pdf https://content.coherent.com/legacy-assets/literature/white_...)