Physics
Scientific paper
Jun 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008cqgra..25k4036t&link_type=abstract
Classical and Quantum Gravity, Volume 25, Issue 11, pp. 114036 (2008).
Physics
7
Scientific paper
TAMA300 has been upgraded to improve the sensitivity at low frequencies after the last observation run in 2004. To avoid the noise caused by seismic activities, we installed a new seismic isolation system—the TAMA seismic attenuation system (SAS). Four SAS towers for the test-mass mirrors were sequentially installed from 2005 to 2006. The recycled Fabry Perot Michelson interferometer was successfully locked with the SAS. We confirmed the reduction of both length and angular fluctuations at frequencies higher than 1 Hz owing to the SAS.
Agatsuma Kazuhiro
Arai Kensuke
Arase Yuta
Bertolini Alessandro
DeSalvo Riccardo
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