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interferometric gravitational wave observatory

An investigation of eddy-current damping of multi-stage pendulum suspensions for use in interferometric gravitational wave detectors

An investigation of eddy-current damping of multi-stage pendulum suspensions for use in interferometric gravitational wave detectors

... laser interferometric gravitational-wave observatory ) ...German/UK interferometric gravitational wave detector, currently being ...

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Quantum correlation measurements in interferometric gravitational wave detectors

Quantum correlation measurements in interferometric gravitational wave detectors

... the interferometric gravitational wave detectors, such as the Advanced Laser Interferometer Gravitational wave Observatory (LIGO), is limited by quantum shot noise, quantum ...

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Gravitational Wave (GW) Classification, Space GW Detection Sensitivities and AMIGO (Astrodynamical Middle-frequency Interferometric GW Observatory)

Gravitational Wave (GW) Classification, Space GW Detection Sensitivities and AMIGO (Astrodynamical Middle-frequency Interferometric GW Observatory)

... A discussion of ground-based GW detector concepts to extend the present ground-based interferometers detection spectral range, i.e., the high-frequency GW band 10 Hz 100 Hz to middle-frequency band 0.1 10 Hz together ...

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A step-wise steerable source of illumination for low-noise "Violin-Mode" shadow sensors, intended for use in interferometric gravitational wave detectors

A step-wise steerable source of illumination for low-noise "Violin-Mode" shadow sensors, intended for use in interferometric gravitational wave detectors

... Abstract. A steerable low-noise source of illumination is described for shadow-sensors having a displacement sensitivity of ~ 100 picometres (rms)/√Hz, at 500 Hz, over a measuring span of at least ±0.5 mm. These sensors ...

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Topics in gravitational wave astronomy

Topics in gravitational wave astronomy

... Interferometer Gravitational-Wave Observatory (LIGO) is designed to support successive generations of interferometric gravitational-wave ...first gravitational-wave ...

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Parabolic flights in pico-g for space-based gravitational wave observatory: the free-fall experiment on LISA Pathfinder

Parabolic flights in pico-g for space-based gravitational wave observatory: the free-fall experiment on LISA Pathfinder

... the gravitational waves detection requires a spacecraft that is stationary around the test masses as much as possible, at least along the two directions identified by the laser ...the interferometric ...

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A source of illumination for low-noise 'Violin-Mode' shadow sensors, intended for use in interferometric gravitational wave detectors

A source of illumination for low-noise 'Violin-Mode' shadow sensors, intended for use in interferometric gravitational wave detectors

... Abstract. A low-noise source of illumination is described for shadow-sensors having a displacement sensitivity of (69 ± 13) picometres (rms)/√Hz, at 500 Hz, over a measuring span of ±0.1 mm. These sensors were designed ...

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First cross-correlation analysis of interferometric and resonant-bar gravitational-wave data for stochastic backgrounds

First cross-correlation analysis of interferometric and resonant-bar gravitational-wave data for stochastic backgrounds

... The standard cross-correlation search [19] for a SGWB necessarily requires two or more GW detectors. Such searches have been performed using two resonant-bar de- tectors [20] and also using two or more kilometer-scale GW ...

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First cross-correlation analysis of interferometric and resonant-bar gravitational-wave data for stochastic backgrounds

First cross-correlation analysis of interferometric and resonant-bar gravitational-wave data for stochastic backgrounds

... Particle Physics and Astronomy Research Council of the United Kingdom, the Max-Planck-Society and the State of Niedersachsen/Germany for support of the construc- tion and operation of the GEO600 detector. The authors ...

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Observation of a kilogram-scale oscillator near its quantum ground state

Observation of a kilogram-scale oscillator near its quantum ground state

... system—an interferometric gravitational wave ...Interferometer Gravitational-wave Observatory (LIGO) operate within a factor of 10 of the standard quantum limit (SQL), providing ...

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Brownian Thermal Noise in Interferometric Gravitational Wave Detectors and Single Photon Optomechanics

Brownian Thermal Noise in Interferometric Gravitational Wave Detectors and Single Photon Optomechanics

... detect gravitational waves started in the 1960s when Joseph Weber con- structed resonant bars and attempted to read out the excitations of the bars by gravitational-wave bursts ...interferometer ...

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A 'Violin-Mode' shadow sensor for interferometric gravitational wave detectors

A 'Violin-Mode' shadow sensor for interferometric gravitational wave detectors

... Interferometer Gravitational wave Observatory) gravitational wave detectors, at the resonances of the so-called Violin Modes ...

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Length Sensing and Control of a Prototype Advanced Interferometric Gravitational Wave Detector

Length Sensing and Control of a Prototype Advanced Interferometric Gravitational Wave Detector

... detect gravitational waves using laser ...laser interferometric gravitational wave ...of gravitational radiation is a primary goal of the community devoted to the experimental study of ...

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Mirror thermal noise in interferometric gravitational wave detectors

Mirror thermal noise in interferometric gravitational wave detectors

... Interferometer Gravitational-wave Observatory) project has begun its search for gravitational waves, and efforts are being made to improve its ability to detect ...the gravitational ...

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Improving the Performance and Sensitivity of Gravitational Wave Detectors

Improving the Performance and Sensitivity of Gravitational Wave Detectors

... It has been known for some time that the existence of scattered light within the vacuum envelope of a gravitational wave interferometer can degrade the sensitivity [79]. Optical elements of the instrument ...

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SOGRO (Superconducting Omni-directional Gravitational Radiation Observatory)

SOGRO (Superconducting Omni-directional Gravitational Radiation Observatory)

... the wave while the cross-axis (rotational) motions of the four test masses on each coordinate plane are differenced to measure an off-diagonal component of the wave: ...

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Searching for Gravitational Waves from Compact Binary Coalescences in Advanced LIGO Data

Searching for Gravitational Waves from Compact Binary Coalescences in Advanced LIGO Data

... detecting gravitational waves from compact binaries, but is able to do so in near real ...the gravitational-wave phenomena ...joint gravitational-wave and electromagnetic observations ...

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All sky search for long duration gravitational wave transients in the second Advanced LIGO observing run

All sky search for long duration gravitational wave transients in the second Advanced LIGO observing run

... the gravitational waveform is not well-described, it is pos- sible for the long-duration searches to detect low-mass compact binary coalescences, typically searched for with matched filtering ...the ...

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Fundamental Physics in the Era of Gravitational wave Astronomy: The Direct Measurement of Gravitational wave Polarizations and Other Topics

Fundamental Physics in the Era of Gravitational wave Astronomy: The Direct Measurement of Gravitational wave Polarizations and Other Topics

... To see that the above is the case, consider a scenario in which GWs are emitted precisely as in GR, but where the polarizations change during propagation: the phase evolution would be similar to GR, but the geometric ...

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Beating the spin-down limit on gravitational wave emission from the crab pulsar

Beating the spin-down limit on gravitational wave emission from the crab pulsar

... and ellipticity of 1.7 # 10 ⫺24 and 9.0 # 10 ⫺4 , respectively, over the entire parameter space searched. These upper limits are larger than the single-template search limits by roughly a factor of 5. This is to be ...

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