The gravitational wave detector Virgo is presently being commissioned. A significant part of the last three years was spent in setting up the cavity length control system. This paper was carried out with steps of increasing complexity: locking a simple Fabry-Perot cavity and then a Michelson interferometer (ITF) with Fabry-Perot cavities in both arms, and finally recycling the light beam into the ITF. The applied strategy and the main results obtained are described.
Length sensing and control in the Virgo gravitational wave interferometer
GAMMAITONI, Luca;VOCCA, Helios;
2006
Abstract
The gravitational wave detector Virgo is presently being commissioned. A significant part of the last three years was spent in setting up the cavity length control system. This paper was carried out with steps of increasing complexity: locking a simple Fabry-Perot cavity and then a Michelson interferometer (ITF) with Fabry-Perot cavities in both arms, and finally recycling the light beam into the ITF. The applied strategy and the main results obtained are described.File in questo prodotto:
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