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1概述1.1自准直的基本原理自准直的基本原理如图1所示。从物镜1出射的平行光(成像在无穷远处),经平面反射镜2反射回来后,重新进入物镜,在物体所在的平面内形成物体的实像。图1自准直的基本原理如果反射镜与自准直仪光轴不垂直,有一微小倾斜角α,则反射光线的偏转角为2α,此偏转角的大小以自准像在物镜焦平面上的线位移s来表示:
1 Overview 1.1 The basic principles of self-collimation The basic principle of self-alignment shown in Figure 1. The parallel light exiting the objective 1 (imaged at infinity) is reflected by the plane mirror 2 and reenters the objective lens to form the real image of the object in the plane where the object is located. Figure 1 The basic principle of self-collimation If the mirror and self-collimator optical axis is not perpendicular to a slight tilt angle α, then the reflected light deflection angle 2α, the deflection angle of the size of the self-portrait in the focal plane of the objective lens S line displacement to indicate: