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光的反射和折射定律是几何光学的基本规律,也是利用光学元件控制光路的理论基础。光学元件的重要作用之一就是它们能依据反射定律或折射定律所指出的规律改变光线传播的路径,实现对光路的控制。控制光路的问题有两种类型:第一种类型:对已知光路,用给定的光学元件加以控制,研究原光路将如何改变;第二种类型则是为实现某一特定的光路控制目的,研究应使用何
The law of light reflection and refraction is the basic law of geometric optics, and it is also the theoretical basis for the use of optical elements to control the light path. One of the important functions of the optical elements is that they can change the path of light propagation according to the law pointed out by the reflection law or the law of refraction, and realize the control of the light path. There are two types of problems that control the optical path: The first type: For known optical paths, control is given with a given optical element to study how the original optical path will change; the second type is to achieve a specific optical path control purpose. What should be used for research