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Aspects Of Ring Lasers As Local Earth Rotation Sensors |
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| Authors: | U Schreiber M Schneider CH Rowe GE Stedman W Schlüter |
| Institution: | (1) Forschungseinrichtung Satellitengeodäsie, Fundamentalstation Wettzell, D-93444 Kötzting, Germany;(2) Forschungseinrichtung Satellitengeodäsie, Fundamentalstation Wettzell, D-93444 Kötzting, Germany;(3) University of Canterbury, Private Bag 4800, Christchurch, New Zealand;(4) Bundesamt für Kartographie und Geodäsie, Fundamentalstation Wettzell, D-93444 Kötzting, Germany |
| Abstract: | Ring laser rotation sensors are best known from inertial navigation, wherethey have many advantages over mechanical gyroscopes. They have recentlybeen greatly improved, and show potential as fully independent length-of-daysensors. We discuss some important aspects of current limitations in theirperformance. In particular we demonstrate a novel scheme for thestabilisation of a large ring laser against frequency pulling effectsinduced by backscatter. |
| Keywords: | Earth rotation geodesy gyroscope length of day ring laser |
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