The payloads of Advanced Virgo: current status and upgrades
The development and integration of new detector payloads has been an important part of the Advanced Virgo (AdV) project, the major upgrade of the Virgo interferometric detector of Gravitational Waves, aiming to increase the detector sensitivity by one order of magnitude. During the integration phase...
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| Veröffentlicht in: | Journal of physics. Conference series 2018-02, Vol.957 (1), p.12002 |
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| description | The development and integration of new detector payloads has been an important part of the Advanced Virgo (AdV) project, the major upgrade of the Virgo interferometric detector of Gravitational Waves, aiming to increase the detector sensitivity by one order of magnitude. During the integration phase of the new AdV payloads with monolithic suspension of mirrors we experienced systematic suspension failures later identified as caused by dust contamination of the vacuum system. In order to not postpone the detector commissioning, making possible to join the LIGO O2 observation run, the Collaboration decided to proceed with the integration of the payloads relying on steel wire suspensions for all the mirrors. In this proceeding the status of the currently integrated payloads is reported, including their angular control characterization and the Q-factor measurements for test mass steel wire suspensions. The payload upgrade for the re-integration of monolithic suspensions after the O2 run is reported in the last section. |
| doi_str_mv | 10.1088/1742-6596/957/1/012002 |
| format | Article |
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| subjects | Gravitational waves Payloads Physics Sensors Steel wire |
| title | The payloads of Advanced Virgo: current status and upgrades |
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