光纤输出光束的光强分布

The Light-intensity Distribution of Optical Fiber Output Light-beam

本文给出了一个描写芯径较大的光纤输出光束的光强分布公式。该公式与光强分布的实测数据相符合，并具有一定的通用性。可用于外部调制强度型光纤传感器的调制机理分析及新型光纤传感器的设计。

This article gives a formula which describes a distribution of output lightbeam from an optical fiber with a bigger radius. This formula agrees with experimental data and it is of universality is some ways. It can be used in modulating characteristic analysis of a sort of external modulating intensity type optical fiber sensor and in new type design as well.