Just make sure you have some sunscreen on

> Just make sure you have some sunscreen on

in the thickness equivalent to 1cm lead sheet for a gamma-ray-screen factor of 2

So NIST is telling me that's about 16cm of titanium. I suppose it would be easier to make yourself clothing out of full lotion bottles than try to slather that much on.

given this is generated by accelerating lead atoms - your light sabre should be quite capable of covering you (and everything around you) with tasty lead