A method of studying the error of a laser dynamic goniometer by a cross-calibration method with the use of a created calculation algorithm is proposed. The algorithm is based on the method of sequential rotations of a polygon relative to a ring laser from the goniometer structure. The results of the application of the specified calculated algorithm to estimate the error of a laser dynamic goniometer are presented. The dominant source of error of this goniometer is defined: the nonuniformity of the angle scale of the ring laser, which is caused by the slope of the scale to the angle of rotation of the spindle of the goniometer. Adjustment corrections are computed and introduced into the calculation algorithm, which made it possible to reduce the systematic error of the goniometer to 0.03″.
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Translated from Izmeritel’naya Tekhnika, No. 2, pp. 29–32, February, 2020.
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Pavlov, P.A. A Method for Investigating the Error of a Laser Dynamic Goniometer. Meas Tech 63, 106–110 (2020). https://doi.org/10.1007/s11018-020-01757-5
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DOI: https://doi.org/10.1007/s11018-020-01757-5