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Arm-length stabilisation for interferometric gravitational-wave detectors using frequency-doubled auxiliary lasers
Adam J. Mullavey, Bram J. J. Slagmolen, John Miller +6
Residual motion of the arm cavity mirrors is expected to prove one of the principal impediments to systematic lock acquisition in advanced gravitational-wave interferometers. We pr…
Active noise cancellation in a suspended interferometer
Jennifer C. Driggers, Matthew Evans, Keenan Pepper +1
We demonstrate feed-forward vibration isolation on a suspended Fabry-Perot interferometer using Wiener filtering and a variant of the common Least Mean Square (LMS) adaptive filter…
Search for Gravitational Waves from Low Mass Compact Binary Coalescence in LIGO's Sixth Science Run and Virgo's Science Runs 2 and 3
the LIGO Scientific Collaboration, the Virgo Collaboration, J. Abadie +796
We report on a search for gravitational waves from coalescing compact binaries using LIGO and Virgo observations between July 7, 2009 and October 20, 2010. We searched for signals…
Optimal Alignment Sensing of a Readout Mode Cleaner Cavity
Nicolas Smith-Lefebvre, Stefan Ballmer, Matt Evans +4
Critically coupled resonant optical cavities are often used as mode cleaners in optical systems to improve the signal to noise ratio (SNR) of a signal that is encoded as an amplitu…
All-sky Search for Periodic Gravitational Waves in the Full S5 LIGO Data
J. Abadie, B. P. Abbott, R. Abbott +794
We report on an all-sky search for periodic gravitational waves in the frequency band 50-800 Hz and with the frequency time derivative in the range of 0 through -6e-9 Hz/s. Such a…
DC readout experiment in Enhanced LIGO
Tobin T. Fricke, Nicolas D. Smith-Lefebvre, Richard Abbott +9
The two 4 km long gravitational wave detectors operated by the Laser Interferometer Gravitational-wave Observatory (LIGO) were modified in 2008 to read out the gravitational wave c…