That means the beam produced is of higher quality than other lasers, is extremely straight (even by the exacting standards of a normal laser beam) and can thus be focused onto a small area.
这意味着产生的激光波比其它激光有更好的品质,并且直线度极高。(甚至符合正常激光束的严格标准)这样就能将能量集中传送到一个小的区域范围内。