双凸厚透镜的双球面反射成像的研究及启示RESEARCH AND ENLIGHTENMENT OF DOUBLE SPHERICAL REFLECTION IMAGING WITH BICONVEX THICK LENS
唐星,邵云
摘要(Abstract):
文章首先初步分析了凸透镜双球面反射所成实像和虚像的成因,并通过实验测量出其中实像的像距;然后运用几何光学基础知识推导出双凸厚透镜的焦距公式,结合测量数据,计算出凸透镜的折射率为1.50,进而逐步计算出光轴上物点经双球面反射成实像、虚像的理论像距;再应用解析几何知识和Excel软件,遵循光的反射、折射规律,进行非傍轴成像仿真;最后,将傍轴理论结果、非傍轴仿真结果、实验结果进行比较,找出其中的差距,说明其中原因,解释一些现象,获得一点启示。
关键词(KeyWords): 双凸厚透镜;反射;实像;虚像;非傍轴
基金项目(Foundation): 江苏省教育科学“十三五”规划课题(D/2020/01/55)
作者(Author): 唐星,邵云
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