Laserfrequency is about 1014 ~ 1015hz, direct measurement of laserfrequencystability is very difficult.
激光的频率约1014 ~ 1015hz，直接测量激光频率的稳定度是非常困难的。
2
Theoretical analysis showed that the laserfrequencystability and the beat frequency stability is in the same.
理论分析表明激光频率稳定度与拍频频率的稳定度相同。
3
In this paper, a measuring instrument is designed based on relative measurement of the semiconductor laserfrequencystability making use of the beat technology.