调谐机构由单片机控制的高频步进电机、衍射光栅、触发控制器组成。
Tuning mechanism consists of diffraction grating, trigger controller and high frequency stepping motor of monolithic microprocessor control.
本文分析了斜射光波的光栅衍射特点，并在实验中得以验证。
The characteristics of diffraction grating of oblique incidence light wave are analysed theoretically and verified in experiments.
固定在工作台上的全息衍射光栅实现了对工作台位移的高精度闭环检测。
A reflecting hologram diffraction grating was fixed to the stage to form a closed loop displacement measuring system.
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