Long-term frequency stabilization of a 16??m^2ring laser gyroscope

K. U. Schreiber, A. Gebauer, J.-P. R. Wells
A 16??m^2 helium–neon-based ring laser gyroscope has been frequency stabilized to within 60 kHz over a period of three months. This is achieved using the beat frequency of the ring laser and an iodine-stabilized reference laser as a feedback signal on a pressure vessel enclosing the entire ... [Opt. Lett. 37, 1925-1927 (2012)]

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