讨论了固体激光器中以两根串联氪灯为负载时所用高精度激光电源的方案选择及技术要点，探讨了激光电源精度提升的新思路。
It is discussed the scheme to select the circuits and some technical essentials of high-accuracy laser power in solid-laser, when the load is two series-connected Kr lamps.
在进行建筑物等大目标三维测量时，不需激光器和传感器平行移动，减少误差来源，提高精度，方便可行。
When 3-D measurement for large building is carried out, the parallel movement of laser and sensor is not needed, thus error source is reduced and accuracy is improved.
系统采用带有温控的半导体激光器单模光纤组件作为光源，有效地降低了激光器本身的光线漂移，为滚转角误差测量提供了高精度和高稳定性的基准光线。
The TEC single-mode fiber-coupled laser module is used to decrease the laser beam drift, and the high accurate and stable measurement reference can be obtained.
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