The output of the laser is very stable, and the fluctuation of output power is less than 0.5% under long-time high-power operation.
激光器具有非常稳定的输出，在长时间运转条件下，输出功率波动小于0.5%。
2
The reason is caused by hot operation temperature less than normal or fluctuation saturated, time is long, or burning layer thin.
造成热运转的原因是饱和温度小于正常值或波动大，时间长，或燃烧层过薄。
3
This article gets the following conclusion through the demonstration analysis: 1. In longtime, the GDP fluctuation is the TFP fluctuation's Granger reason.