简要论述了半波片组合衰减器的 工作原理。
The principles of attenuator assembly of half -wave plate and polarizers are discussed briefly.
器件由偏振分离器、偏振组合器、法拉弟旋转器及半波片组成。
It consists of a polarizing splitter, a polarizing combiner, a Faraday rotator and a half-wave plate.
采用独特的方法，对高精度光电探头和半波片的特性进行了检测。
The characteristics of high precision photoelectric detector and half-wave plate are measured by a special way.
研究结果表明，通过旋转半波片的角度可以实现焦移量的实时控制。
The research result shows that with the designed pupil filter the axial focal shift can be controlled by rotating the half-wave plate.
研究结果表明，通过旋转半波片的角度可以实现焦移量的实时控制。
The research result shows that with the designed pupil filter the axial focal shift can be controlled by rotating the half-wave plate.
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