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The Advanced Virgo+ status

Acernese F.
•
Agathos M.
•
Ain A.
altro
Zendri J. -P.
2023
  • journal article

Periodico
JOURNAL OF PHYSICS. CONFERENCE SERIES
Abstract
The gravitational wave detector Advanced Virgo+ is currently in the commissioning phase in view of the fourth Observing Run (O4). The major upgrades with respect to the Advanced Virgo configuration are the implementation of an additional recycling cavity, the Signal Recycling cavity (SRC), at the output of the interferometer to broaden the sensitivity band and the Frequency Dependent Squeezing (FDS) to reduce quantum noise at all frequencies. The main difference of the Advanced Virgo + detector with respect to the LIGO detectors is the presence of marginally stable recycling cavities, with respect to the stable recycling cavities present in the LIGO detectors, which increases the difficulties in controlling the interferometer in presence of defects (both thermal and cold defects). This work will focus on the interferometer commissioning, highlighting the control challenges to maintain the detector in the working point which maximizes the sensitivity and the duty cycle for scientific data taking.
DOI
10.1088/1742-6596/2429/1/012039
WOS
WOS:001026607900039
Archivio
https://hdl.handle.net/11368/3054458
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85149927549
https://iopscience.iop.org/article/10.1088/1742-6596/2429/1/012039
Diritti
open access
license:creative commons
license uri:http://creativecommons.org/licenses/by/4.0/
FVG url
https://arts.units.it/bitstream/11368/3054458/1/Acernese_2023_J._Phys.:_Conf._Ser._2429_012039-2.pdf
Soggetti
  • Gravitational wave as...

  • gravitational wave de...

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