Effects of overlapping factors on the gain and pumping threshold power are discussed in detail.

详细讨论了重迭因子对增益、泵浦阈值功率的影响。

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The waveguide cavity structure provides a method which can reduce a threshold value and can obtain laser through low-power pumping for various laser gain materials with high threshold values.

这种波导腔结构为各种高阈值的激光增益材料提供了一种降低阈值，并可在低功率下泵浦获得激光的方法。

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