A new method of measuring eccentricity of rotary turntable by means of optical heterodyne is described.
本文介绍了一种利用光外差测量原理测量旋转转盘偏心距的新方法。
This paper present optical false heterodyne method. It's modulator of phase is constructed by LN crystal in Michelson's interferometer.
本文报导光学赝外差方法，它是利用LN晶体放置在迈克尔逊干涉仪的参考臂中做电光相位调制。
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