A new device which can change the optical frequency shift is described. It consists of a rotating grating, a synchro motor and a power supply whose frequency can be adjusted.
本文描述一台能改变光频移频率的新装置，它由旋转光栅、同步电机和调频电源组成。
A new device which can change the optical frequency shift is described. It consists of a rotating grating, a synchro motor and a power supply whose frequency can be adjusted.
本文描述一台能改变光频移频率的新装置，它由旋转光栅、同步电机和调频电源组成。
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