High sensitivity rotation measurements with a mid-size laser gyroscope

J. Belfi; N. Beverini; F. Bosi; G. Carelli; A. Di Virgilio; E. Maccioni; R. Passaquieti; F. Stefani

doi:10.1117/12.880971

11 January 2011 High sensitivity rotation measurements with a mid-size laser gyroscope

J. Belfi, N. Beverini, F. Bosi, G. Carelli, A. Di Virgilio, E. Maccioni, R. Passaquieti, F. Stefani

Proceedings Volume 7993, ICONO 2010: International Conference on Coherent and Nonlinear Optics; 79931H (2011) https://doi.org/10.1117/12.880971
Event: International Conference on Coherent and Nonlinear Optics (ICONO 2010) and International Conference on Lasers, Applications and Technologies (LAT 2010), 2010, Kazan, Russian Federation

Abstract

An high sensitivity laser gyroscope is presented operating in a square cavity of side length of the order of 1 m with a measured sensitivity limit at the level of 2 · 10^-9(rad/s)/ √Hz. We report on the active stabilization of the laser optical frequency which is mainly driven by the environmental thermal fluctuations and the experimental results obtained with the active stabilization system are given. Finally the applications of this gyrolaser as an high-sensitive tilt-meter in Virgo, the large-frame interferometer for gravitational waves detection, are discussed.

Citation Download Citation

J. Belfi, N. Beverini, F. Bosi, G. Carelli, A. Di Virgilio, E. Maccioni, R. Passaquieti, and F. Stefani "High sensitivity rotation measurements with a mid-size laser gyroscope", Proc. SPIE 7993, ICONO 2010: International Conference on Coherent and Nonlinear Optics, 79931H (11 January 2011); https://doi.org/10.1117/12.880971

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