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Laser interferometric transducers of linear displacements for inspection and control systems

机译:检测和控制系统的线性位移激光干涉换能器

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Design principles of homodyne laser interferometric linear displacement transducers (LIDT) realizing within their interface modules an original digital data processing algorithm are considered. The use of designed LIDT as a feedback transmitter in X-Y table control system of laser photoplotter CLWS-300 is given as an example. The system provides table positioning accuracy of ?5 nm. Maximum velocity of the table is 1 m/s. Laser displacement measurer with small-size digital indicator unit is described. The results of inspection and calibration of measuring systems of unique processing center of Italian company "Berardy" are presented.
机译:在其界面模块中实现的Homodyne激光干涉线性位移换能器(LIDT)的设计原理考虑了原始数字数据处理算法。作为示例,给出了使用设计的LIDT设计的LIDT作为X-Y台控制系统中的反馈发射器。该系统提供了表定位精度为5 nm。表的最大速度为1米/秒。描述具有小型数字指示器单元的激光位移测量器。提出了意大利公司独特加工中心测量系统检验和校准的结果。

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