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First Results of GINGERino, a deep underground ringlaser

Autor: Belfi, J., Beverini, N., Bosi, F., Carelli, G., Cuccato, D., De Luca, G., Di Virgilio, A., Gebauer, A., Maccioni, E., Ortolan, A., Porzio, A., Santagata, R., Simonelli, A., Terreni, G.

Publikováno v: Rev. Scient. Instr. 88, 034502 (2017) (updated version)

Large ring-laser gyroscopes are capable of measuring angular rotations with a precision well below fractions of $prad/s$, not far from $10^{-14}$ $rad/s$, the accuracy required for General Relativity tests, this is what the GINGER (Gyroscope-IN-GEner

Externí odkaz: http://arxiv.org/abs/1601.02874

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A ring-lasers array for fundamental physics

Autor: Di Virgilio, A., Allegrini, M., Beghi, A., Belfi, J., Beverini, N., Bosi, F., Bouhadef, B., Calamai, M., Carelli, G., Cuccato, D., Maccioni, E., Ortolan, A., Passeggio, G., Porzio, A., Ruggiero, M. L., Santagata, R., Tartaglia, A.

Publikováno v: Comptes Rendus Physique, Volume 15, Issue 10, December 2014, Pages 866-874

After reviewing the importance of light as a probe for testing the structure of space-time, we describe the GINGER project. GINGER will be a three-dimensional array of large size ring-lasers able to measure the de Sitter and Lense-Thirring effects. T

Externí odkaz: http://arxiv.org/abs/1412.6901

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Optimization of the geometrical stability in square ring laser gyroscopes

Autor: Santagata, R., Beghi, A., Belfi, J., Beverini, N., Cuccato, D., Di Virgilio, A., Ortolan, A., Porzio, A., Solimeno, S.

Publikováno v: Class. Quantum Grav. 32 055013 (2015)

Ultra sensitive ring laser gyroscopes are regarded as potential detectors of the general relativistic frame-dragging effect due to the rotation of the Earth: the project name is GINGER (Gyroscopes IN GEneral Relativity), a ground-based triaxial array

Externí odkaz: http://arxiv.org/abs/1411.2585

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Interferometric length metrology for the dimensional control of ultra-stable Ring Laser Gyroscopes

Autor: Belfi, J., Beverini, N., Cuccato, D., Di Virgilio, A., Maccioni, E., Ortolan, A., Santagata, R.

We present the experimental test of a method for controlling the absolute length of the diagonals of square ring laser gyroscopes. The purpose is to actively stabilize the ring cavity geometry and to enhance the rotation sensor stability in order to

Externí odkaz: http://arxiv.org/abs/1407.5672

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Measuring general relativity effects in a terrestrial lab by means of laser gyroscopes

Autor: Beverini, N, Allegrini, M, Beghi, A, Belfi, J, Bouhadef, B., Calamai, M, Carelli, G, Cuccato, D, Di Virgilio, A, Maccioni, E, Ortolan, A, Porzio, A., Santagata, R, Solimeno, S, Tartaglia, A

GINGER is a proposed tridimensional array of laser gyroscopes with the aim of measuring the Lense-Thirring effect, predicted by the General Relativity theory, in a terrestrial laboratory environment. We discuss the required accuracy, the methods to a

Externí odkaz: http://arxiv.org/abs/1310.2022

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Compensation of the laser parameters fluctuations in large ring laser gyros: a Kalman filter approach

Autor: Beghi, Alessandro, Belfi, Jacopo, Beverini, Nicolò, Bouhadef, B., Cuccato, D., Di Virgilio, Angela, Ortolan, Antonello

He-Ne ring laser gyroscopes are, at present, the most precise devices for absolute angular velocity measurements. Limitations to their performance come from the non--linear dynamics of the laser. Following the Lamb semi-classical theory, we find a se

Externí odkaz: http://arxiv.org/abs/1208.1364

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