They said in the article it was low mW. Yes, looking at the other end of a laser fiber is stupid, particularly when your eye can't see the wavelength. If you'r

They said in the article it was low mW. Yes, looking at the other end of a laser fiber is stupid, particularly when your eye can't see the wavelength. If you're working with 1550nm light and single-mode fibers you should know that, and if you don't you should've received better laser safety training.