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Proceedings Paper

High sensitivity rotation measurements with a mid-size laser gyroscope
Author(s): J. Belfi; N. Beverini; F. Bosi; G. Carelli; A. Di Virgilio; E. Maccioni; R. Passaquieti; F. Stefani
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Paper 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.

Paper Details

Date Published: 11 January 2011
PDF: 7 pages
Proc. SPIE 7993, ICONO 2010: International Conference on Coherent and Nonlinear Optics, 79931H (11 January 2011); doi: 10.1117/12.880971
Show Author Affiliations
J. Belfi, Univ. di Pisa (Italy)
N. Beverini, Univ. di Pisa (Italy)
INFN (Italy)
F. Bosi, INFN (Italy)
G. Carelli, Univ. di Pisa (Italy)
A. Di Virgilio, INFN (Italy)
E. Maccioni, Univ. di Pisa (Italy)
R. Passaquieti, Univ. di Pisa (Italy)
INFN (Italy)
F. Stefani, Univ. di Pisa (Italy)
INFN (Italy)

Published in SPIE Proceedings Vol. 7993:
ICONO 2010: International Conference on Coherent and Nonlinear Optics
Claude Fabre; Victor Zadkov; Konstantin Drabovich, Editor(s)

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