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(一)引言在几何光学中,我们借助“光线”这个概念,按照光的直线进行和可逆性质,以及光在介质分界面上的反射与折射规律,由其几何关系,运用数学方法导出若干基本公式,以此研究光学系统的物象关系,这无论是在实用上还是在理论上均有很重要的价值。与力学中对质点运动的描写一样,几何光学中对光在介质中传播的描写,也须选用某种座标和做出某些规定。这
(A) Introduction In geometrical optics, with the concept of “light”, according to the straight and reversible properties of light and the law of reflection and refraction of light at the medium interface, we use mathematical methods to derive some basic concepts Formula, in order to study the optical system of the object-image relationship, whether in practice or in theory have very important value. As with the description of particle motion in mechanics, the description of the propagation of light in a medium in geometric optics requires the use of certain coordinates and certain provisions. This