... 激光水准仪,激光能级 laser level 激光下能级 lower laser level 激光低能级 terminal laser level ...
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理论和实验结果都表明引起铥激光器高阈值的主要原因是温度引起的激光下能级的热分布粒子。
It's proved that the cause of high threshold of thulium laser is the heat-distribution particle at low laser energy level.
抽运光的吸收饱和使激光器运转时激光下能级的粒子数减小，吸收系数下降，激光器的输出功率较低。
Pump absorption saturation makes the population of the lower pump level and the absorption coefficient decrease, and the output power is lower.
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