This article presents the results of experimental and model studies carried out in order to estimate the metrological characteristics of a goniometer. The measurement is based on determining the angular position of the image of an optical mark on a digital-camera array, using algorithms for processing video data. According to the results of metrologic studies of an experimental sample of a goniometer with an array size of 5.7×6.3mm, the error of the measuring device does not exceed 1″. By using a mathematical model of the goniometer, it is shown to be possible to obtain a measurement accuracy of the angular position at the level of hundredths of an arc second.
© 2012 OSA
Original Manuscript: December 6, 2011
Published: June 29, 2012
A. N. Korolev, A. Ya. Lukin, and G. S. Polishchuk, "New concept of angular measurement. Model and experimental studies," J. Opt. Technol. 79, 352-356 (2012)