本文叙述了单模光纤等效阶跃折射率(esi)参数测量的一种简便方法及其原理。

A simple method for measuring equivalent step index (ESI) parameters of the single mode fiber is presented.

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详细介绍用等效折射率概念设计短波通滤光片的原理和计算方法。

The principle and calculation method to design short-wavelength pass filters with a concept of equivalent refractive index is presented in this paper.

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本文采用等效锥形的方法研究了一种类锥形发散梯度折射率纤维的近轴成象，这种方法计算方便，且有一定的适用性。

The image of a taper-like defocusing GIRN fiber lens is studied by the method of "equivalent taper. " This method is easy to be used to calculate the gaussian parameters, and of some applicability.

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