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本文讨论一种发散型光学纤维,它类似于凹透镜。给出了纤维中光线的轨迹、聚焦的焦距、象距、线放大率和纤维的有效长度等计算公式。
This article discusses a divergent optical fiber that is similar to a concave lens. The calculation formulas of the ray trace in the fiber, the focal length of the focus, the image distance, the linear magnification and the effective length of the fiber are given.