五角棱镜

五角棱镜90°偏转角的高精度测量

A High Accuracy Method for Measuring 90 Degrees Angle Deviation of Pentagonal Prism

五角棱镜在大口径望远镜检测中的应用

Application of Pentagonal Prism in Large Aperture Telescope Testing

五角棱镜角度误差对建立大尺寸平面基准的影响

Study on affection of the angle errors of pentagonal prism on establishing datum plane

五角棱镜在方位对准中的应用

Application of penta prism in azimuth laying

为五角棱镜用于计量测试误差分析提供了理论依据。

The theoretical basis for analyzing error during the metrology and testing with pentagonal prism provided .

五角棱镜制造角差及抖动对其转向角的影响棱镜式宽银幕物镜附件

Influences on the deflection angle of the pentagonal prism due to dithering and fabrication angles error

五角棱镜在建立大尺寸平面基准中的应用

Application of Penta Prism in Establishing the Datum Plane for ? Measuring Flatness in Large Scale Dimension

同时通过增大五角棱镜组的距离，实现了测量分辨率的提高。

At the same time , the measurement resolution improved by increasing the distance of the pentagonal prisms .

利用光线组合和激光准直技术，基于两个五角棱镜、两个平面反射镜、两个光电探测器，建立了直线导轨运动副三维转角测量的系统模型。

The systemic model for measuring three-dimensional rotation angles of the linear guide track is established based on two pentaprisms , two mirrors and two photoelectric detectors .

并用计算机模拟试验分析了五角棱镜的角度制造误差和导轨引起的运动误差产生的扫描光束转向的波前误差。

The wave-front error of scanning beam turning caused by the angle errors of pentagonal prism and the kinematical errors of guide rail was analyzed with computer simulation .

用一准直光束作为基线，通过90°折转的五角棱镜扫描，建立一个参考基准面在大尺寸测量中是一种行之有效的方法。

It is a effective way using an aligned beam as a baseline and scanning a 90 ° pentagonal prism to establish a datum reference plane in large dimension measurement .

利用棱镜转动定理建立了五角棱镜的光输出平面波前与其角度制造误差和导轨引起的运动误差之间的关系；

The dependence of the output plane wave-front of pentagonal prism on the angle errors of pentagonal prism and kinematical errors caused by guide rail is established according to the prism rotation theorem .

结果表明，五角棱镜的制造误差和工作状态将引起测量带误差，该误差是一个固定的系统误差，可以通过预先对所用的五角棱镜进行标定，在数据处理中予以修正。

The results show that the angle making errors and the working state of a pentagonal prism will cause error in measurement and this error is a fixed system one which can be compensated by calibrating it in advance and data processing method .

从分析五角棱镜的角度制造误差产生的光学平行差入手，建立起五角棱镜的光输出平面波前与运动误差和角度制造误差产生的扫描激光束转向的波前改变量之间的关系。

After the optical parallelism errors caused by processed angle errors of a pentagonal prism are analyzed , the relation between the output plane wave-front of pentagonal prism and the light-turning wave-front change caused by kinematic errors and the processed angle errors of a pentagonal prism is founded .

在大型望远系统的波前检测中，固定着五角棱镜的运动平台沿并非严格平面的导轨平台移动时，五角棱镜会发生微偏转产生扫描激光束转向的波前误差。

During the wave-front testing of a large aperture telescope , when the motional platform sit on a pentagonal prism moves on the guide platform which is no all strict plane , the pentagonal prism can cause a tiny deflection and generate light turning wave-front errors of scanning laser .