It wasn't until 1960 when an American scientist used a xenon light to irradiate a ruby, causing the atoms of the ruby to be stirred up and emitted a continuous red light known as a laser ray.
直到一九六○年，美國科學家西奧多．梅曼，用氙燈照射紅寶石，使紅寶石的原子受到激發而放出連續性振盪的紅色光，稱為雷射光。