The change of loss is due to the impurities 'absorption and the microbending loss.

损耗的变化主要是由于杂质的吸收和微弯损耗。

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At last, taking bending and microbending loss for single mode fibers as an example, we see that this method also applied to problems which can be solved by generalized coupled mode theory.

最后以单模光纤弯曲和微弯损耗为例，说明等效电流方法还适用于广义耦合波理论才能求解的问题。

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At last, taking bending and microbending loss for single mode fibers as an example, we see that this method also applied to problems which can be solved by generalized coupled mode theory.

最后以单模光纤弯曲和微弯损耗为例，说明等效电流方法还适用于广义耦合波理论才能求解的问题。

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