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光谱仪厂家告诉您光谱仪是这样诞生的!

文章出处:本站原创 人气:发表时间:2018年11月16日

   光谱仪厂家告诉您光谱仪是这样诞生的!光谱起源于17世纪,1666年物理学家牛顿第一次进行了光的色散实验。他在暗室中引入一束太阳光,让它通过棱镜,在棱镜后面的自屏上,看到了红、橙、黄、绿、兰、靛、紫七种颜色的光分散在不同位置上——即形成一道彩虹,这种现象叫光谱,这个实验就是光谱的起源。自牛顿以后,一直没有引起人们的注意。到1802年英国化学家沃拉斯顿发现太阳光谱不是一道完美无缺的彩虹,而是被一些黑线所割裂。


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