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Compact two-coordinate digital autocollimator

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Abstract

The paper describes a compact two-coordinate photoelectric digital autocollimator made using a single linear charge-coupled photosensitive device and a special type of autocollimation mark. The autocollimator allows us to measure angles in the horizontal and vertical planes in the range of ±10. In this case, the maximum error in measuring the angle in the horizontal plane does not exceed ±0.7′′, and in the ±7.5 angle measurement range, it does not exceed ±0.5′′. The maximum error in measuring the angle in the vertical plane does not exceed ±5′′. The frequency of the output of digital angle measurement data by the autocollimator is 30 Hz.

© 2019 Optical Society of America

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