It is a self frequency double laser in some hosts.
选择合适的基质，可产生自倍频可见激光。
By means of mathematical calculation and numerical simulation, the chirp evolutions are plotted using MATLAB. hence the phenomenon of self-frequency shift can be studied.
运用数学求解及数值模拟方法，通过MATLAB编程画出了啁啾演变图，据此来研究自频移现象。
In this paper the defects in a new type of high-gain, low-threshold, self-active, self-frequency-doubling NYAB crystal are investigated by optical methods.
本文报告了用光学方法研究高增益、低阈值的新型自激活自倍频的四硼酸铝钇钕(NYAB)晶体的缺陷。
In this paper the defects in a new type of high-gain, low-threshold, self-active, self-frequency-doubling NYAB crystal are investigated by optical methods.
本文报告了用光学方法研究高增益、低阈值的新型自激活自倍频的四硼酸铝钇钕(NYAB)晶体的缺陷。
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