Ring-laser gyroscope system using dispersive element(s)
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United States of America Patent
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Sep 28, 2010
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Mar 7, 2008
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Apr 30, 2007
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Abstract
A ring-laser gyroscope system includes a ring-laser gyroscope (RLG) and at least one dispersive element optically coupled to the RLG's ring-shaped optical path. Each dispersive element has a resonant frequency that is approximately equal to the RLG's lasing frequency. A group index of refraction defined collectively by the dispersive element(s) has (i) a real portion that is greater than zero and less than one, and (ii) an imaginary portion that is less than zero.
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