...掺镱光纤不存在双光子吸收这个概念,真正的概念叫做Cooperative Emission (合作发射)或者Cooperative Luminescence(合作荧光),简单理解可以是这样:两个YbO3上能级光子泯灭,产生一个更高频率的光子,这和双光子吸收的效应并不同,在各种基材的掺镱玻璃中...
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上转换合作辐射荧光 up-conversion cooperative radiation fluorescence
·2,447,543篇论文数据,部分数据来源于NoteExpress
美国宇航局戈达德宇航中心的研究人员绘制了第一套陆地植物荧光地图。微红的荧光是叶子释放出因光合作用产生的一种副产物。
Researchers at NASA's Goddard Space Flight Center have produced the first global maps of land-plant fluorescence, a reddish glow that leaves emit as a byproduct of photosynthesis.
分析了这些可见荧光产生的原因,指出它不同于红外荧光的发光机理,是一种离子对的合作吸收和发射。
The cause of visible fluorescence were analyzed. The mechanism of visible fluorescent is different to infrared fluorescent, it is cooperative absorption and emission of ion pairs.
通过番茄叶片的荧光光谱和激发光谱测量,能够得到番茄的光合作用之作用光谱。
The action spectrum of photosynthesis of tomato was studied with excitation and fluorescence spectra of its leaf.
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