external mirror laser 外镜式激光器
electrically heated external mirror 电热式车外后视镜
half-external four-mirror resonator 四镜半外腔
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The coherent output of a LDA has been achieved by a simple EC consisted of a commercial LDA, a fast axis collimation lens and an external mirror.
我们用一个普通的商用LDA、一个快轴准直透镜和一个外腔镜构成的简单外腔实现了LDA的外腔锁相运行。
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