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Proceedings Article

High sensitivity rotation measurements with a mid-size laser gyroscope

[+] Author Affiliations
J. Belfi, G. Carelli, E. Maccioni

Univ. di Pisa (Italy)

N. Beverini, R. Passaquieti, F. Stefani

Univ. di Pisa (Italy) and INFN (Italy)

F. Bosi, A. Di Virgilio

INFN (Italy)

Proc. SPIE 7993, ICONO 2010: International Conference on Coherent and Nonlinear Optics, 79931H (January 11, 2011); doi:10.1117/12.880971
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From Conference Volume 7993

  • ICONO 2010: International Conference on Coherent and Nonlinear Optics
  • Kazan, Russian Federation | August 23, 2010

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.

© (2010) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

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


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