棱镜,一种由两两相交但彼此均不平行的平面围成的透明物体,用以分光或使光束发生色散。
The diffractive characteristics of cube-corner prism provides an evaluation method and approach to design this kind of prism.
角锥棱镜的衍射特性对角锥棱镜的设计和评价具有指导意义。
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光通过棱镜时产生折射。
他用棱镜把白光分解成光谱中的各种颜色。
He used a prism to break white light down into the various colors of the spectrum.
一束光通过棱镜就会形成光谱。
A spectrum is formed by a ray of light passing through a prism.
There it is. He used the prism spectrograph to analyze his results. So what do we have here?
在这里,他用了棱镜分光图来分析他的结果,得到些什么呢?
And then he just takes that narrow column of light and he admits it to a prism. And what the prism does is takes a tiny, tiny difference in wavelength and refracts it through a different angle.
他只取了那个窄光柱,然后把它对准一个棱镜,棱镜所做的就是,测量出波长的细微差别,然后从不同的角度测定它的折射度。
And if the prism is of sufficient dimension that angle can be magnified.
如果这个棱镜有多个面,可以把角度也放大。
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