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Ring laser gyroscope beam combiner for separating and combining circulating laser beams for power and fringe pattern detections
Ring laser gyroscope beam combiner for separating and combining circulating laser beams for power and fringe pattern detections
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机译:环形激光陀螺仪光束组合器,用于分离和组合循环激光束,以检测功率和条纹图案
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摘要
In a monolithic gyro assembly having three ring laser gyroscopes each measuring the inertial rotation of an axis, a polyhedron having three facets is used as the beam combiner for the gyroscope. On one of the facets is mounted a fringe detector for providing inertial rotation information for the gyroscope. On the remaining two facets, on either side of the fringe detector facet, are mounted beam power monitoring diodes for measuring the power of the light intensity of the respective beams. The directly measured power from the beams is then used to move a piezoelectric transducer to maintain constant pathlengths for the gyroscope.
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