在美国卖座率很高的电影《星际大战》,是以科学幻想为基础、耗费几千万美元摄制的未来宇宙战争的电影,在其中频繁出现的是激光枪和激光刀,还有思维形象的全息图。激光发出的光波,虽是幻想的光,但它是使所触及的物体立刻蒸发的可怕的武器。激光的这种破 Star Wars, a high-hit movie in the United States, is a film based on sci-fi and costing tens of millions of dollars of future space war. Frequently, it is laser guns and laser knives, as well as holographic images of holograms Figure The light wave emitted by a laser, although it is an illusion of light, is a terrible weapon that immediately evaporates the object it touches. This broken laser