Can Light pass through infinity?

Well I know Gojo has the ability to automatically filter things but let's say someone has a light saber CT then can it bypass his infinity? I have seen many people saying yes to this answer but light also has a finite speed of about 3×10⁸ and something with finite speed can't possibly cross infinity. Or infinity is just the name and Gojo doesn't actually cuts space in infinite portions but just absurdly high number at an atomic level with his eyes. I think he actually cuts space in infinite since not then Limitless wouldn't be that broken.