In this paper, we divided the double frequency crystal into numerous small double frequency units and derived the harmonic power and the double frequency efficiency in each unit.
本文中将倍频晶体分割成无数多个小倍频单元，并导出每个倍频单元中的谐波功率与倍频效率。
The principle of a frequency stabilizing unit and its power circuit for a double longitudinal mode laser are introduced.
介绍一种双纵模激光器的稳频装置原理及其电源电路。
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