... 光束质量 M2Beam Quality 激光频率 Laser Repetition Rate 标记范围 Marking Area ...
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激光频率高，更适合一些金属材料的打标，打标速度更快。
With high frequency, it is suitable for some metal material marking in high speed.
另一通道是光栅选支连续激光输出，可用压电陶瓷调节激光频率。
CW laser output has been obtained from the other channel, which can been tuned by a PZT.
提出一种利用交流约瑟夫森效应直接测量自由电子激光频率的方法。
A method for direct measuring the frequency of a free electron laser using AC Josephson effect is presented.
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