Method of lock-in threshold measurement in manufacture and operation of ring lasers

Alekseev, Serguei; Chirkin, M. V.; Mishin, V. Yu.; Morozov, D. A.; Borisov, Michael Vladimirovich; Molchanov, A. V.; Zakharov, M. A.

doi:10.1134/s2075108713040020

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Processing Of Information In a Laser Gyroscope With High-pre1

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Cited by 6 publications

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“…The implementation of this approach in the laser gyro scope signal processing [47,48] did not require any informa tion sources, except the signals at the outputs of the sectioned photodetector ( 8 ), and allowed one to increase the precision of the interference pattern shift recording and to reduce the error of the Sagnac phase measurement to 0.03 rad. When the number of ADC digits is no smaller than 12, the precision is limited by the parasitic capacity coupling between the infor mation channels [49] and the noises of the amplifier of the photodetector signals.…”

Section: Processing Of Information In a Laser Gyroscope With High-prementioning

confidence: 99%

Precise laser gyroscope for autonomous inertial navigation

Kuznetsov¹,

Molchanov²,

Chirkin³

et al. 2015

Quantum Electron.

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Requirements to gyroscopes of strapdown inertial navigation systems for aircraft application are formulated. The construction of a ring helium -neon laser designed for autonomous navigation is described. The processes that determine the laser service life and the relation between the random error of the angular velocity measurement and the surface relief features of the cavity mirrors are analysed. The results of modelling one of the promising approaches to processing the laser gyroscope signals are presented.

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Section: Processing Of Information In a Laser Gyroscope With High-prementioning

confidence: 99%