...Measuring principle of back focal length (BFL) 后焦距（BFL）测量原理 Measurement of radius 曲率半径测量 Definition of radius (which is measured with OTS 500) 曲率半径定义 ..
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This paper introduces the light intensity data collection system of a microprocessor set, with a Z-80 microprocessor as its main unit, in the radius measurement of laser microbeams.
本文介绍了一台以Z - 80微处理机为主机的光强数据采集系统，并将它用于激光微光束的半径测量。
The study is made on the laser spot radius, several basic parameters and measurement methods. The essential discussion is focused on the divergence angles of Gaussian beams.
研究了激光光斑半径、发散角的几个基本参量以及测量方法，对高斯光束的发散角测量进行重点讨论。
In terms of the feature of radius compensation for coordinate measurement, the natures of offset curve and surface are studied in the dissertation.
根据坐标测量需进行测头半径补偿的特点，研究了正则等距曲线曲面的有关性质。
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