Umutwe wa laser ushobora gusubira inyuma neza cyane, byoroshye guhindura uburebure bw'ifatizo, ufite sisitemu yo gushyira urumuri rutukura mu mwanya warwo, ushyira ahantu nyaho, ugabanya igihombo cy'ibikoresho,
Gutera imvura mu buryo bwikora kugira ngo birinde umutwe wa laser no gukumira gutwika laser