Digital goniometer with a two-dimensional scale

被引：6

作者：

Bokhman, E. D. ^{[1
,2
]}

Venediktov, V. Yu ^{[1
]}

Korolev, A. N. ^{[2
]}

Lukin, A. Ya ^{[3
]}

机构：

[1] St Petersburg State Electrotech Univ LETI, St Petersburg, Russia

[2] INERTECH, St Petersburg, Russia

[3] Peter Great St Petersburg Polytech Univ, St Petersburg, Russia

来源：

JOURNAL OF OPTICAL TECHNOLOGY | 2018年 / 85卷 / 05期

关键词：

SYSTEMS;

D O I：

10.1364/JOT.85.000269

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

This paper presents the results of experimental and modeling metrological studies on a digital goniometer, measuring angular orientations of an image of an optical mark using a digital camera array. A fully digital technology is also described for measuring angles using virtual angular-scale carriers (digital images). By using a mathematical model for the goniometer, it is shown that the error in angle measurements can be reduced to the level of thousandths of an arcsecond in principle. (c) 2018 Optical Society of America.

引用

页码：269 / 274

页数：6

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