水銀燈 导航菜单改善这篇條目00571552编辑或修订

色温眩光电灯灯具光污染燈泡插座Lightbulb socket任务用光Task lighting手電筒螢光棒前照燈灯笼激光笔航行燈探照灯太阳能灯Solar lamp戰術燈生物发光化学发光光致发光辐射发光Radioluminescence光導纖維电致发光纤维线Electroluminescent wire激光


氣體放電燈


汞蒸氣燈氣體放電氩气紫外光日光灯








使用175瓦水银灯泡的路灯点亮15秒时的效果




175瓦水银灯泡




1965年北京灯泡厂正在制造高压水银灯泡


水银灯亦称汞灯,是一種內部含有汞蒸氣的燈,以氣體放電的方式產生亮光。


灯管用耐热玻璃制成,两端装有电极;制造时抽去空气,充入水银和少量氩气;通电后水银蒸发,受电子激发而发光。


目前水銀燈有「低壓」、「高壓」和「超高壓」三種類型。高压水银灯发光效率高,使用寿命长,但紫外光多、红光少,可用作晒图机的光源;管壁涂荧光物质后产生白光,即高压水银荧光灯,可用作广场和街道的照明。低压水银灯发出强紫外光,可用作杀菌消毒;涂以荧光材料后,即日光灯。超高压水银灯是一种点光源,用于光学仪器。





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