Gravitational Wave Detectors
Quantum correlation measurements in interferometric gravitational wave detectors
... interferometric gravitational wave detectors, such as the Advanced Laser Interferometer Gravitational wave Observatory (LIGO), is limited by quantum shot noise, quantum radiation ...
13
Mitigating Noise in Interferometric Gravitational Wave Detectors
... in gravitational-wave detection [122] and scanning probe microscopy, optomechanical devices can also be used to probe the quantum behavior of mechanical ...interferometric gravitational wave ...
235
Apparatus for dimensional characterization of fused silica fibers for the suspensions of advanced gravitational wave detectors
... Suspension thermal noise in the advanced detectors will be directly dependent on the dimensions of the fibers used to suspend the mirrors. Accurately quantified fused silica fiber dimension profiles are therefore ...
7
Results of the first coincident observations by two laser-interferometric gravitational wave detectors
... prototype gravitational wave detectors, one op- erated by the University of Glasgow (UG) and the other by the Max Planck Institute for Quantum Optics (MPQ), participated in a joint observing run over ...
10
Brownian Thermal Noise in Interferometric Gravitational Wave Detectors and Single Photon Optomechanics
... We analyze the structure of the Brownian thermal noise of a multilayer dielectric coat- ing, used in high-precision optical measurements, e.g., interferometric gravitational- wave detectors. We ...
138
A 'Violin-Mode' shadow sensor for interferometric gravitational wave detectors
... shadow detectors having, collectively, a displacement sensitivity of (69 ± 13) picometres (rms) / √Hz, at 500 Hz, over a measuring span of ...The detectors were designed to monitor the vibrations of the 600 ...
12
An investigation of eddy-current damping of multi-stage pendulum suspensions for use in interferometric gravitational wave detectors
... Eddy-current damping has been considered for use in other interferometric gravitational wave detectors. The VIRGO ( French-Italian ) group have previously investigated the possible adverse effect of ...
7
A step-wise steerable source of illumination for low-noise "Violin-Mode" shadow sensors, intended for use in interferometric gravitational wave detectors
... Interferometer Gravitational wave Observatory) gravitational wave ...respective detectors—these being located at an effective distance of 50 fibre diameters behind the axes of the ...
11
Coatings and surface treatments for enhanced performance suspensions for future gravitational wave detectors
... of gravitational wave detectors are important for increasing the observable population of astrophys- ical sources, such as intermediate mass compact black hole binary ...
24
Constraints on cosmic strings from the LIGO-virgo gravitational-wave detectors
... of gravitational waves (GWs) produced by cusps are a promising observational ...Virgo gravitational wave detectors between 2005 and 2010, with over 625 days of live ...the gravitational ...
10
A source of illumination for low-noise 'Violin-Mode' shadow sensors, intended for use in interferometric gravitational wave detectors
... Interferometer Gravitational wave Observatory) gravitational wave ...displacement detectors, located at a distance of 74 fibre diameters ...
16
Quantum limited measurements in gravitational wave detectors
... interferometric gravitational wave ...interferometric detectors is understood to be wholly due to the quantum fluctuations of the in-coupled vacuum light ...
226
Vibration isolation stacks for gravitational wave detectors - finite element analysis
... Rotations of the stack about a vertical axis were not accounted for in the finite element model: yet these could be important for the coupling of rotational ground noise to horizontal no[r] ...
10
Noise Cancellation for Gravitational Wave Detectors
... A single seismometer measurement cannot determine the difference between Rayleigh waves and Love waves; however, a carefully analyzed array measurement can, particularly if that array includes 3-axis sensors. Rayleigh ...
183
On Discovering Electromagnetic Emission from Neutron Star Mergers: The Early Years of Two Gravitational Wave Detectors
... We present the first simulation addressing the prospects of finding an electromagnetic (EM) coun- terpart to gravitational wave detections (GW) during the early years of only two advanced interfer- ometers. ...
8
Predictions for the rates of compact binary coalescences observable by ground-based gravitational-wave detectors
... The upper limits are obtained by assuming that most of the IMBH mass in a globular cluster comes from minor mergers that are potentially detectable as IMRIs in the LIGO-Virgo band. The plausible optimistic estimates are ...
20
Squeezed light sources for current and future interferometric gravitational-wave detectors
... There are several ways to prevent this, by directing and dumping stray beams. The light reflec- ted promptly off the homodyne photodiode surface is dumped using thermal glass V’s, as pictured in figure 6.17b. Similar ...
182
Mirror thermal noise in interferometric gravitational wave detectors
... interferometer, when the incoming waves are averaged over all angles and polarizations [57]. As the current generation of GW interferometers advances [109], they draw closer to fundamen- tal limits to detector noise. One ...
11
Improving the Performance and Sensitivity of Gravitational Wave Detectors
... the gravitational wave observatory Advanced LIGO, this system will study the behavior of metals in the elastic regime, far from the yield stress that would introduce plastic ...LIGO detectors’ ...
139
Arm length stabilisation for advanced gravitational wave detectors
... The true measurement of the relative frequency noise between the two lasers when the auxiliary laser is phase locked to the science laser for the case where: a the fibre is bypassed, b t[r] ...
156