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本文从光线方程出发,讨论一种抛物型发散梯度折射率纤维透镜的光线传播和近轴成像特性,导出光线在纤维透镜中传播轨迹的解析解,并给出纤维透镜的等效焦距、主平面和焦平面位置的计算公式,以及近轴成像公式。
Based on the equation of light, this paper discusses the light propagation and paraxial imaging of a parabolic divergent gradient refractive index fiber lens, derives the analytic solution of the propagation path of light in the fiber lens, and gives the equivalent focal length of the fiber lens. The principal plane And focal plane position of the calculation formula, and paraxial imaging formula.