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各种光源(灯)的光谱

2013-12-21 19:21:49| 分类：默认分类 | 标签： |举报 |字号大中小订阅

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电磁波频谱和波段划分以及名称由来(收集) - keendawn - keendawn的博客

1. 荧光灯350～700nm
一般的荧光灯的荧光粉采用三波长荧光粉的不同类型灯管所发出光的分布。说简单就是452n 533nm 611nm 三个波长。

2、白炽灯基本在400nm+
由于白炽灯是钨丝的热效应发光，波长主要集中在可见光偏红色以及红外波段。下面是日光和白炽灯光谱的对比（注意右边是短波段）
各种光源(灯)的光谱 - keendawn - keendawn的博客

白炽灯光谱图：

3、led 400nm～700nm
下面是led灯的光谱，主要集中在450nm与500nm～650nm波段
各种光源(灯)的光谱 - keendawn - keendawn的博客

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