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。
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.
根据液下深度的不同，泵分为无导轴承悬臂轴和有导轴承分节轴两种结构。
According to submerging depth, the pumps are classed as lead bearing segment shaft structure and non-lead bearing long shaft structure.
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