THREE-AXIS OPTICAL-ELECTRONIC AUTOCOLLIMATOR WITH INCREASED SENSITIVITY OF THE ROLL ANGLE MEASURING
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A three-axis optical-electronic autocollimator with a tetrahedral reflector wherein two dihedral angles between
facets have a small deviation from 90° is considered in the paper. It is established that such reflector allows to make independent measurements of the roll angle. The ways of autocollimator sensitivity increase while roll angle measuring are determined. The analysis of parameters of the three-axis optical-electronic autocollimator with increased roll angle measurement sensitivity is made.